Vulnerability in Gitlab

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.

EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Gitlab — versions 17.11, 18.9.0, 18.8

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1747?
CVE-2026-1747 is a medium-severity vulnerability in Gitlab, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2026-02-25.
How severe is CVE-2026-1747?
Medium severity. CVSS v3 base score is 4.3 out of 10.