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RHEL 9 : Red Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update (Important) (RHSA-2026:87004)
high Nessus Plugin ID 370142
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87004 advisory.Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams, while automation developers retain the freedom to write tasks that leverage existing knowledge without the overhead. Ansible Automation Platform makes it possible for users across an organization to share, vet, and manage automation content by means of a simple, powerful, and agentless language.
Security Fix(es):
* automation-gateway: authorization bypass via workload identity token forgery (CVE-2026-94416)
* automation-platform-ui: proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet (CVE-2026-90711)
* automation-platform-ui: compression: Denial of Service via memory leak on premature response close (CVE-2026-87776)
* automation-platform-ui: fflate: Denial of Service via crafted ZIP archives (CVE-2026-45820)
* python3.12-pulpcore: file:// scheme allowlist bypass in content upload file_url field enables arbitrary file read and Pulp Container registry signing key theft (CVE-2026-90959)
* python3.12-pyjwt: Verification key substitution via unvalidated JWKS redirects (CVE-2026-102267)
* python3.12-pyjwt: Token forgery via improper Unicode byte-order mark handling (CVE-2026-102272)
* python3.12-pyjwt: Authentication bypass via empty HMAC key acceptance (CVE-2026-102266)
* python3.12-pyjwt: Authentication bypass via acceptance of DER public keys as HMAC secrets (CVE-2026-102271)
* python3.12-pyjwt: Token forgery via acceptance of public JWK containers as HMAC secrets (CVE-2026-102273)
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.
For details about this release, refer to the release notes 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 affected packages.See Also
https://access.redhat.com/errata/RHSA-2026:87004
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2506034
https://bugzilla.redhat.com/show_bug.cgi?id=2531852
https://bugzilla.redhat.com/show_bug.cgi?id=2533037
https://bugzilla.redhat.com/show_bug.cgi?id=2533602
https://bugzilla.redhat.com/show_bug.cgi?id=2537465
https://bugzilla.redhat.com/show_bug.cgi?id=2542671
https://bugzilla.redhat.com/show_bug.cgi?id=2542687
https://bugzilla.redhat.com/show_bug.cgi?id=2542690
https://bugzilla.redhat.com/show_bug.cgi?id=2542695
https://bugzilla.redhat.com/show_bug.cgi?id=2542697
http://www.nessus.org/u?2242e607
Plugin Details
Severity: High
ID: 370142
File Name: redhat-RHSA-2026-87004.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 10/21/2026
Updated: 10/21/2026
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: 7.1
Percentile: 98.16
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2026-102267
CVSS v3
Risk Factor: Critical
Base Score: 9.1
Temporal Score: 8.2
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.7
Threat Score: 7.7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2026-45820
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:automation-gateway-server, p-cpe:/a:redhat:enterprise_linux:automation-platform-ui, p-cpe:/a:redhat:enterprise_linux:python3.12-pulpcore, p-cpe:/a:redhat:enterprise_linux:python3.12-pyjwt, p-cpe:/a:redhat:enterprise_linux:python3.12-pyjwt%2bcrypto
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/21/2026
Vulnerability Publication Date: 7/22/2026
Reference Information
CVE: CVE-2026-102266, CVE-2026-102267, CVE-2026-102271, CVE-2026-102272, CVE-2026-102273, CVE-2026-45820, CVE-2026-87776, CVE-2026-90711, CVE-2026-90959, CVE-2026-94416