A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL configurations with SELinux enforcing, this can be used to inject Kerberos configuration leading to authentication bypass.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:46990 advisory.

    The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote     directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the     Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to     connect to multiple different account sources.

    Security Fix(es):

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)

    * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

    Bug Fix(es) and Enhancement(s):

    * sss_override does not work on AD UPN [rhel-8.10.z] (JIRA:RHEL-168363)

    * [Addition] Crash in 'sss_client/autofs/sss_autofs.c' [rhel-8.10.z] (JIRA:RHEL-168415)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:46482 advisory.

    The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote     directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the     Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to     connect to multiple different account sources.

    Security Fix(es):

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)

    * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-9ab663dcd4 advisory.

    CVE fixes: CVE-2026-12610 CVE-2026-14474 CVE-2026-14476
    - rhbz#2494777: CVE-2026-12610 sssd: Use-after-free crash in SSSD' 'sssd_pam' process
    - rhbz#2497650: CVE-2026-14476 sssd: sssd: GPO cache path traversal via unsanitized     gPCFileSysPath allows Kerberos authentication bypass
    - rhbz#2497651: CVE-2026-14474 sssd: sssd: sudo LDAP provider searches entire directory     tree for sudoRole objects by default, enabling privilege escalation

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42122 advisory.

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)
      * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-42122 advisory.

    - Resolves: RHEL-192063 CVE-2026-14474 sssd: sudo ldap provider searches entire directory tree for     sudorole objects by default, enabling privilege escalation

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3195-1 advisory.

    This update for sssd fixes the following issues

    - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default,     enabling privilege       escalation (bsc#1270709).
    - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass       (bsc#1270708).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42122 advisory.

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)

    * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:41937 advisory.

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)

    * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:41937 advisory.

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)
      * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3139-1 advisory.

    This update for sssd fixes the following issues

    - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default,     enabling privilege       escalation (bsc#1270709).
    - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass       (bsc#1270708).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-41937 advisory.

    - Resolves: RHEL-192056 - CVE-2026-14474 sssd: sssd: sudo LDAP provider searches entire directory tree for     sudoRole

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3131-1 advisory.

    This update for sssd fixes the following issues

    - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default,     enabling privilege       escalation (bsc#1270709).
    - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass       (bsc#1270708).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42122 advisory.

    The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote     directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the     Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to     connect to multiple different account sources.

    Security Fix(es):

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)

    * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1984 advisory.

    A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a     use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could     exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of service that     disrupts authentication. This vulnerability also presents a potential for privilege escalation, although     it is difficult to exploit. (CVE-2026-12610)

    A flaw was found in SSSD's LDAP sudo provider. When the ldap_sudo_search_base option is not explicitly     configured, SSSD searches the entire LDAP directory tree for sudoRole objects. An authenticated attacker     with write access to any subtree can inject a sudoRole object granting root-level sudo privileges on all     SSSD-enrolled hosts. (CVE-2026-14474)

    A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function     does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO     management access to write files outside the GPO cache directory as root. On default RHEL configurations     with SELinux enforcing, this can be used to inject Kerberos configuration leading to authentication     bypass. (CVE-2026-14476)

    A flaw was found in the System Security Services Daemon (SSSD). The pam_passkey_child_read_data() function     within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Because the data     is treated as a NUL-terminated C string without explicit termination, it results in an out-of-bounds read     when processed by functions like snprintf(). A local attacker could potentially trigger this vulnerability     by initiating a crafted passkey authentication request, causing the SSSD PAM responder to crash, resulting     in a local Denial of Service (DoS). (CVE-2026-6245)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41937 advisory.

    The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote     directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the     Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to     connect to multiple different account sources.

    Security Fix(es):

    * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling     privilege escalation (CVE-2026-14474)

    * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass (CVE-2026-14476)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3041-1 advisory.

    This update for sssd fixes the following issues

    - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default,     enabling privilege       escalation (bsc#1270709).
    - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass       (bsc#1270708).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3025-1 advisory.

    This update for sssd fixes the following issues

    - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default,     enabling privilege       escalation (bsc#1270709).
    - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass       (bsc#1270708).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the sssd-2.9.9-3.el9 build changelog.

  - sudo ldap provider searches entire directory tree for sudorole objects by default, enabling privilege     escalation (CVE-2026-14474)

  - path traversal in SSSD AD GPO provider allows writing files outside GPO cache directory as root     (CVE-2026-14476)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21290-1 advisory.

    This update for sssd fixes the following issues

    - CVE-2026-14474: sudo LDAP provider searches entire directory tree for sudoRole objects by default,     enabling privilege       escalation (bsc#1270709).
    - CVE-2026-14476: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication     bypass       (bsc#1270708).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-5acfb0243b advisory.

    CVE fixes: CVE-2026-12610 CVE-2026-14474 CVE-2026-14476
    - rhbz#2494777: CVE-2026-12610 sssd: Use-after-free crash in SSSD' 'sssd_pam' process
    - rhbz#2497650: CVE-2026-14476 sssd: sssd: GPO cache path traversal via unsanitized     gPCFileSysPath allows Kerberos authentication bypass
    - rhbz#2497651: CVE-2026-14474 sssd: sssd: sudo LDAP provider searches entire directory     tree for sudoRole objects by default, enabling privilege escalation

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-8fad0036a5 advisory.

    Automatic update for sssd-2.13.1-3.fc45.

    ##### **Changelog**

    ```
    * Wed Jul  8 2026 Sumit Bose <sbose@redhat.com> - 2.13.1-3
    - CVE fixes: CVE-2026-12610 CVE-2026-14474 CVE-2026-14476
    - rhbz#2494777: CVE-2026-12610 sssd: Use-after-free crash in SSSD'       'sssd_pam' process
    - rhbz#2497650: CVE-2026-14476 sssd: sssd: GPO cache path traversal via       unsanitized gPCFileSysPath allows Kerberos authentication bypass
    - rhbz#2497651: CVE-2026-14474 sssd: sssd: sudo LDAP provider searches       entire directory tree for sudoRole objects by default, enabling privilege       escalation

    ```

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function     does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO     management access to write files outside the GPO cache directory as root. On default RHEL configurations     with SELinux enforcing, this can be used to inject Kerberos configuration leading to authentication     bypass. (CVE-2026-14476)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
330263	RHEL 8 : sssd (RHSA-2026:46990)	Nessus	Red Hat Local Security Checks	high
330106	RHEL 10 : sssd (RHSA-2026:46482)	Nessus	Red Hat Local Security Checks	high
329576	Fedora 43 : sssd (2026-9ab663dcd4)	Nessus	Fedora Local Security Checks	high
329338	AlmaLinux 9 : sssd (ALSA-2026:42122)	Nessus	Alma Linux Local Security Checks	high
329241	Oracle Linux 9 : sssd (ELSA-2026-42122)	Nessus	Oracle Linux Local Security Checks	high
329138	SUSE SLES15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3195-1)	Nessus	SuSE Local Security Checks	high
329046	RockyLinux 9 : sssd (RLSA-2026:42122)	Nessus	Rocky Linux Local Security Checks	high
329045	RockyLinux 10 : sssd (RLSA-2026:41937)	Nessus	Rocky Linux Local Security Checks	high
328974	AlmaLinux 10 : sssd (ALSA-2026:41937)	Nessus	Alma Linux Local Security Checks	high
328907	SUSE SLES15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3139-1)	Nessus	SuSE Local Security Checks	high
328809	Oracle Linux 10 : sssd (ELSA-2026-41937)	Nessus	Oracle Linux Local Security Checks	high
328678	SUSE SLES12: libipa_hbac-devel / libipa_hbac0 / libsss_certmap0 / etc (SUSE-SU-2026:3131-1)	Nessus	SuSE Local Security Checks	high
328671	RHEL 9 : sssd (RHSA-2026:42122)	Nessus	Red Hat Local Security Checks	high
328460	Amazon Linux 2023 : libipa_hbac, libipa_hbac-devel, libsss_autofs (ALAS2023-2026-1984)	Nessus	Amazon Linux Local Security Checks	high
327971	RHEL 10 : sssd (RHSA-2026:41937)	Nessus	Red Hat Local Security Checks	high
327322	SUSE SLED15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3041-1)	Nessus	SuSE Local Security Checks	high
327314	SUSE SLES15: libipa_hbac-devel / libipa_hbac0 / libsss_certmap-devel / etc (SUSE-SU-2026:3025-1)	Nessus	SuSE Local Security Checks	high
326775	CentOS 9 : sssd-2.9.9-3.el9	Nessus	CentOS Local Security Checks	high
326716	openSUSE 16: libipa_hbac-devel / libipa_hbac0 / libnfsidmap-sss / etc (openSUSE-SU-2026:21290-1)	Nessus	SuSE Local Security Checks	high
326359	Fedora 44 : sssd (2026-5acfb0243b)	Nessus	Fedora Local Security Checks	high
326286	Fedora 45 : sssd (2026-8fad0036a5)	Nessus	Fedora Local Security Checks	high
325408	Linux Distros Unpatched Vulnerability : CVE-2026-14476	Nessus	Misc.	high

Detections

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CVE-2026-14476

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