PT-2026-40879 · Gitlab · Gitlab Ce/Ee

Published 2026-05-14 · Updated 2026-05-15 · CVE-2026-8144

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 15.1 through 18.9.6 GitLab CE/EE versions 18.10 through 18.10.5 GitLab CE/EE versions 18.11 through 18.11.2

Description An issue exists where an authenticated user with project membership can enumerate private group members. This occurs due to missing authorization checks.

Recommendations Update versions 15.1 through 18.9.6 to version 18.9.7. Update versions 18.10 through 18.10.5 to version 18.10.6. Update versions 18.11 through 18.11.2 to version 18.11.3.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

BIT-GITLAB-2026-8144

CVE-2026-8144

Affected Products

Gitlab Ce/Ee

References · 9

• https://osv.dev/vulnerability/BIT-gitlab-2026-8144 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-8144 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-8144 · Security Note
• https://ubuntu.com/security/CVE-2026-8144 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-8144 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2054916621848772876 · Twitter Post
• https://gitlab.com/gitlab-org/gitlab/-/work_items/591964 · Note
• https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released · Note
• https://t.me/CVEtracker/53750 · Telegram Post