PT-2026-5647 · Gitlab · Gitlab Ce/Ee

Thelucion · Published 2026-02-02 · Updated 2026-02-05 · CVE-2026-1751

Positive Technologies · (AI Summary)

CVSS v3.1

3.1

Low

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 16.8 through 18.4.9

Description A security issue exists in GitLab CE/EE that may allow unauthorized modification of merge request approval rules under specific circumstances. The issue affects the processing of approval rules within merge requests.

Recommendations Update GitLab CE/EE to version 18.5.0 or later.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

BIT-GITLAB-2026-1751

CVE-2026-1751

Affected Products

Gitlab Ce/Ee

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1751.json · Exploit
• 🔥 https://hackerone.com/reports/2980839 · Exploit
• https://osv.dev/vulnerability/CVE-2026-1751 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-1751 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/issues/519340 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2026-1751 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-1751 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-1751 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-1751 · Security Note
• https://twitter.com/VulmonFeeds/status/2018284614670762114 · Twitter Post
• https://twitter.com/CVEnew/status/2018265124705067443 · Twitter Post
• https://t.me/CVEtracker/43485 · Telegram Post
• https://t.me/cveNotify/150548 · Telegram Post
• https://t.me/cveNotify/150853 · Telegram Post