Detections
Analytics
RHEL 9 : ipa (RHSA-2026:83084)
high Nessus Plugin ID 365999
Synopsis
The remote Red Hat host is missing one or more security updates for ipa.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:83084 advisory.Red Hat Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments.
Security Fix(es):
* ipa: FreeIPA: Unauthenticated DoS in `/ipa/i18n_messages` via Unbounded Request Body Read (CVE-2026-73198)
* ipa: FreeIPA: Unauthenticated DoS in `/ipa/migration/migration.py` via Unbounded Request Body Read (CVE-2026-73197)
* FreeIPA: idm: ipa: FreeIPA: Obtaining TGS with impersonating cname through trust relationships (CVE-2026-11861)
* freeipa: ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL (CVE-2026-18147)
* freeipa: ipa: FreeIPA: trust-fetch-domains uses trust-read ACI to gate a privileged AD trust refresh, allowing unauthorized LDAP writes (CVE-2026-19550)
* ipa: Privilege escalation via krbCanonicalName manipulation due to realm-unaware uniqueness enforcement in FreeIPA LDAP datastore (CVE-2026-13097)
* ipa: freeipa: FreeIPA: unauthenticated LDAP client can obtain administrator credentials via the self- managed-token ACI (CVE-2026-76578)
* freeIPA: idm: freeipa: idp-add eval() reachable before authorization check allows environment disclosure and denial of service (CVE-2026-79678)
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.
Solution
Update the RHEL ipa package based on the guidance in RHSA-2026:83084.See Also
https://access.redhat.com/errata/RHSA-2026:83084
https://access.redhat.com/security/updates/classification/#critical
https://bugzilla.redhat.com/show_bug.cgi?id=2472960
https://bugzilla.redhat.com/show_bug.cgi?id=2474697
https://bugzilla.redhat.com/show_bug.cgi?id=2487472
https://bugzilla.redhat.com/show_bug.cgi?id=2508181
https://bugzilla.redhat.com/show_bug.cgi?id=2514019
https://bugzilla.redhat.com/show_bug.cgi?id=2515974
https://bugzilla.redhat.com/show_bug.cgi?id=2519522
Plugin Details
Severity: High
ID: 365999
File Name: redhat-RHSA-2026-83084.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 10/14/2026
Updated: 10/14/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7
Percentile: 98.06
Vendor
Vendor Severity: Critical
CVSS v2
Risk Factor: High
Base Score: 8.5
Temporal Score: 6.3
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N
CVSS Score Source: CVE-2026-11861
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.1
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_e4s:9.4, p-cpe:/a:redhat:enterprise_linux:ipa-client-common, p-cpe:/a:redhat:enterprise_linux:ipa-client-epn, p-cpe:/a:redhat:enterprise_linux:ipa-client-samba, p-cpe:/a:redhat:enterprise_linux:ipa-client, p-cpe:/a:redhat:enterprise_linux:ipa-common, p-cpe:/a:redhat:enterprise_linux:ipa-selinux, p-cpe:/a:redhat:enterprise_linux:ipa-server-common, p-cpe:/a:redhat:enterprise_linux:ipa-server-dns, p-cpe:/a:redhat:enterprise_linux:ipa-server-trust-ad, p-cpe:/a:redhat:enterprise_linux:ipa-server, p-cpe:/a:redhat:enterprise_linux:ipa, p-cpe:/a:redhat:enterprise_linux:python3-ipaclient, p-cpe:/a:redhat:enterprise_linux:python3-ipalib, p-cpe:/a:redhat:enterprise_linux:python3-ipaserver
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 10/14/2026
Vulnerability Publication Date: 8/11/2026
Reference Information
CVE: CVE-2026-11861, CVE-2026-13097, CVE-2026-18147, CVE-2026-19550, CVE-2026-73197, CVE-2026-73198, CVE-2026-76578, CVE-2026-79678