Detections
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RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update (Important) (RHSA-2026:13512)
critical Nessus Plugin ID 312098
Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13512 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-controller: Account hijacking and unauthorized access via unverified email linking (CVE-2026-6266)
* automation-controller: PyJWT accepts unknown `crit` header extensions (RFC 7515 4.1.11 MUST violation) (CVE-2026-32597)
* automation-controller: denial of service via malformed HTML-like sequences (CVE-2025-69534)
* automation-controller: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves (CVE-2026-26007)
* automation-gateway: Account hijacking and unauthorized access via unverified email linking (CVE-2026-6266)
* automation-gateway: Rollup: Remote Code Execution via Path Traversal Vulnerability (CVE-2026-27606)
* automation-gateway: SVGO: Denial of Service via XML entity expansion (CVE-2026-29074)
* automation-gateway: ReDoS via $data reference (CVE-2025-69873)
* automation-gateway-proxy: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
* python3.12-django-ansible-base: Account hijacking and unauthorized access via unverified email linking (CVE-2026-6266)
* python3.12-markdown: denial of service via malformed HTML-like sequences (CVE-2025-69534)
* python3.12-jwcrypto: JWCrypto: Memory exhaustion via crafted compressed JWE tokens (CVE-2026-39373)
* python3.12-pyasn1: pyasn1 Vulnerable to Denial of Service via Unbounded Recursion (CVE-2026-30922)
* python3.12-pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID (CVE-2026-23490)
* python3.12-pyOpenSSL: DTLS cookie callback buffer overflow (CVE-2026-27459)
* receptor: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
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/security/updates/classification/#important
http://www.nessus.org/u?de4ef659
http://www.nessus.org/u?8a5ccf41
https://bugzilla.redhat.com/show_bug.cgi?id=2430472
https://bugzilla.redhat.com/show_bug.cgi?id=2438762
https://bugzilla.redhat.com/show_bug.cgi?id=2439070
https://bugzilla.redhat.com/show_bug.cgi?id=2442530
https://bugzilla.redhat.com/show_bug.cgi?id=2444839
https://bugzilla.redhat.com/show_bug.cgi?id=2445132
https://bugzilla.redhat.com/show_bug.cgi?id=2445356
https://bugzilla.redhat.com/show_bug.cgi?id=2447194
https://bugzilla.redhat.com/show_bug.cgi?id=2448503
https://bugzilla.redhat.com/show_bug.cgi?id=2448553
https://bugzilla.redhat.com/show_bug.cgi?id=2456187
https://bugzilla.redhat.com/show_bug.cgi?id=2458142
Plugin Details
Severity: Critical
ID: 312098
File Name: redhat-RHSA-2026-13512.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Red Hat Local Security Checks
Published: 5/4/2026
Updated: 5/4/2026
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2026-27606
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: Critical
Base Score: 9.3
Threat Score: 8.8
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2brbac, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bauthentication, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bchannel_auth, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bactivitystream, p-cpe:/a:redhat:enterprise_linux:receptor, p-cpe:/a:redhat:enterprise_linux:python3.12-pyjwt, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bapi_documentation, p-cpe:/a:redhat:enterprise_linux:automation-gateway-proxy-server, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:python3.12-pyasn1, p-cpe:/a:redhat:enterprise_linux:python3.12-jwcrypto, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2boauth2_provider, p-cpe:/a:redhat:enterprise_linux:python3.12-pyopenssl, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bjwt_consumer, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bredis_client, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2bfeature_flags, p-cpe:/a:redhat:enterprise_linux:python3.12-pyjwt%2bcrypto, p-cpe:/a:redhat:enterprise_linux:python3.12-markdown, p-cpe:/a:redhat:enterprise_linux:automation-controller-venv-tower, p-cpe:/a:redhat:enterprise_linux:automation-gateway-server, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base, p-cpe:/a:redhat:enterprise_linux:automation-gateway-proxy, p-cpe:/a:redhat:enterprise_linux:python3.12-django-ansible-base%2brest_filters
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: 5/4/2026
Vulnerability Publication Date: 1/16/2026
Reference Information
CVE: CVE-2025-69534, CVE-2025-69873, CVE-2026-23490, CVE-2026-25679, CVE-2026-26007, CVE-2026-27459, CVE-2026-27606, CVE-2026-29074, CVE-2026-30922, CVE-2026-32597, CVE-2026-39373, CVE-2026-6266