CVE-2026-71888: Red Hat Security bypass via unvalidated attributes in CMS AuthenticatedData parser
This Red Hat advisory covers CVE-2026-71888. Related products: OpenShift Developer Tools and Services, Red Hat Ansible Automation Platform 2, Red Hat OpenShift AI (RHOAI).
Key facts
- Vendor rating
- High, CVSS 7.5
- CISA KEV
- Not listed (catalogue checked )
- Versions named
- < 1.86; < 2.73.13; < 1.0.13 and 7 more below
- Fixed in
- ocp-tools-4/jenkins-rhel8:1792044386, ocp-tools-4/jenkins-rhel9:1792040096, ocp-tools-4/jenkins-rhel9:1792040287 and 9 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
Security bypass via unvalidated attributes in CMS AuthenticatedData parser. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-349. Red Hat lists fixing advisory RHSA-2026:88156 with package ocp-tools-4/jenkins-rhel8:1792044386, ocp-tools-4/jenkins-rhel9:1792040096, ocp-tools-4/jenkins-rhel9:1792040287, ocp-tools-4/jenkins-rhel9:1792040131.
Affected products named by the advisory: OpenShift Developer Tools and Services; Red Hat Ansible Automation Platform 2; Red Hat OpenShift AI (RHOAI); Red Hat OpenShift Dev Spaces; and 1 more.
Affected products named by the advisory: Red Hat Satellite 6.
Text from the source record.
- < 1.86
- < 2.73.13
- < 1.0.13
- < 1.0.X
- < 2.0.13
- < 2.0.X
- < 2.1.13
- < 2.1.X
- < 2.0.8
- < 2.1.8
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-71888
Upgrade to a fixed release named by Red Hat:
- ocp-tools-4/jenkins-rhel8:1792044386
- ocp-tools-4/jenkins-rhel9:1792040096
- ocp-tools-4/jenkins-rhel9:1792040287
- ocp-tools-4/jenkins-rhel9:1792040131
- ocp-tools-4/jenkins-rhel8:1792044327
- ocp-tools-4/jenkins-rhel8:1792044326
- ocp-tools-4/jenkins-rhel8:1792044382
- ocp-tools-4/jenkins-rhel9:1792040081
- ocp-tools-4/jenkins-rhel9:1792040428
- ocp-tools-4/jenkins-rhel9:1792040733
- ocp-tools-4/jenkins-rhel9:1792041514
- RHSA-2026:88156
Vendor guidance
- Avoid using CMSAuthenticatedDataParser to stream untrusted CMS AuthenticatedData structures, or validate that messages containing authenticated attributes explicitly define a digestAlgorithm before trusting attribute values. Alternatively, process messages using non-streaming CMS parsers.
CVE-2026-71888 in other vendors' advisories
- Atlassian: CVE-2026-71888, high severity, fixed in Bamboo Data Center and Server: 12.1.12 (LTS) recommended Data Center Only, Bamboo Data Center and Server: 10.2.24 (LTS) Data Center Only, Fisheye/Crucible: 4.9.15 recommended
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