Vulnerability Report

CVE-2026-1747

Title: Gitlab Gitlab Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2026-1747.

CWE Category CWE-288

Published Date Feb 25, 2026

Modified Date Feb 28, 2026

Exploit Status Not Found

Score 4.3 CVSS v3.1

Exploit Probability (EPSS)

0.01%

Vulnerability Summary

CVE-2026-1747: GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages.

Impacted Vendors

gitlab 1

jenkins 1

Reference Links

https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/ https://gitlab.com/gitlab-org/gitlab/-/issues/588385 https://hackerone.com/reports/3533088

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.3

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-1747 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

February 28, 2026 MODIFIED

Vulnerability data updated via NVD.

February 28, 2026 MODIFIED

Vulnerability data updated via NVD.

February 27, 2026 MODIFIED

Vulnerability data updated via NVD.

February 25, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.