PT-2026-21997 · Gitlab · Gitlab Ce/Ee

Modhanami · Published 2026-02-25 · Updated 2026-03-02 · CVE-2026-1747

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab EE versions 17.11 through 18.7.4 GitLab EE versions 18.8 through 18.8.4 GitLab EE versions 18.9 through 18.9.0

Description A flaw existed in GitLab EE that, under specific circumstances, could have allowed Developer-role users with limited permissions to perform unauthorized changes to protected Conan packages.

Recommendations Update GitLab EE to version 18.7.5 or later. Update GitLab EE to version 18.8.5 or later. Update GitLab EE to version 18.9.1 or later.

Exploit

Fix

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-288

Related Identifiers

BDU:2026-03429

BIT-GITLAB-2026-1747

CVE-2026-1747

Affected Products

Gitlab Ce/Ee

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1747.json · Exploit
• 🔥 https://hackerone.com/reports/3533088 · Exploit
• https://cve.org/CVERecord?id=CVE-2026-1747 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2026-1747 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03429 · Security Note
• https://ubuntu.com/security/CVE-2026-1747 · Vendor Advisory
• https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-1747 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-1747 · Security Note
• https://osv.dev/vulnerability/CVE-2026-1747 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/issues/588385 · Note
• https://twitter.com/CVEnew/status/2027099283296800771 · Twitter Post
• https://t.me/cveNotify/153622 · Telegram Post
• https://t.me/CVEtracker/45761 · Telegram Post