CVE-2026-100755

Published: Oct 13, 2026Modified: Oct 14, 2026

4.6

Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

Exploitability: 1.2 / Impact: 3.4

Source: cve@gitlab.com (Secondary)

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.

Affected (6)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	16.2.0 ≤ version < 19.2.8
Gitlab Gitlab	19.3.0 ≤ version < 19.3.5
Gitlab Gitlab	19.4.0 ≤ version < 19.4.2
Gitlab Gitlab	16.2.0 ≤ version < 19.2.8
Gitlab Gitlab	19.3.0 ≤ version < 19.3.5
Gitlab Gitlab	19.4.0 ≤ version < 19.4.2

Related CWEs

CWE-349

Acceptance of Extraneous Untrusted Data With Trusted Data

The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.

References (2)

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/

Source: cve@gitlab.com

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/work_items/627507

Source: cve@gitlab.com

Issue Tracking

Timeline

No history available yet.