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Advisory severityMedium4.9Red Hat Linux

Medium [CVE-2026-11827] Information disclosure via improper authorization controls

This medium-severity Red Hat Linux advisory covers CVE-2026-11827 affecting OpenShift Pipelines, Red Hat OpenShift Container Platform 4.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-11827 Source published Source updated

VulniPulse record published Record updated

CVE-2026-11827
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

Summary

GitLab has remediated an issue in GitLab EE affecting all versions from 9.5 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to obtain another user's stored credentials due to improper authorization controls. A flaw was found in GitLab EE.

This vulnerability allows the user to obtain other users' stored credentials, leading to unauthorized information disclosure. Red Hat severity: Moderate — CVSS 4.9 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).

Weakness: CWE-266. Affected Red Hat products: OpenShift Pipelines; Red Hat OpenShift Container Platform 4.

Red Hat does not currently list a fixing RHSA for this CVE.

Is CVE-2026-11827 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-11827 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-11827?

The advisory VulniPulse tracks names no fixed release. Follow Red Hat's guidance for workarounds and updates.

Confirm against the vendor advisory before you patch.

Affected versions
  • < 9.5
  • < 18.11.7
  • < 19.0
  • < 19.0.4
  • < 19.1
  • < 19.1.2

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation

The source record does not include mitigation steps. That does not mean no fix exists. Read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

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