Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.
Published: 2026-10-13
Score: 4.6 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Solution

Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above.

Tracking

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Advisories

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History

Tue, 13 Oct 2026 01:30:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.
Title Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-349
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L'}

Subscriptions

Gitlab Gitlab
cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-10-13T01:05:31.161Z

Reserved: 2026-09-26T15:33:45.131Z

Link: CVE-2026-100755

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-13T02:16:55.883

Modified: 2026-10-13T02:16:55.883

Link: CVE-2026-100755

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T02:30:10Z

Weaknesses
  • CWE-349

    Acceptance of Extraneous Untrusted Data With Trusted Data