What is CVE-2026-1230?

CVE-2026-1230 is a medium-severity vulnerability in Gitlab, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 4.1/10. Published 2026-03-11.

How severe is CVE-2026-1230?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Vulnerability in Gitlab

CVE-2026-1230

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 1.0 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to cause repository downloads to contain different code…

EPSS: 0.001 (18.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N.

Affected products

Gitlab — versions 1.0, 18.8, 18.9

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

HackerOne Bug Bounty Report #3505165 (technical-description, exploit, permissions-required)
gitlab.com/gitlab-org/gitlab/-/work_items/587002
about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/

Frequently asked questions

What is CVE-2026-1230?: CVE-2026-1230 is a medium-severity vulnerability in Gitlab, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 4.1/10. Published 2026-03-11.
How severe is CVE-2026-1230?: Medium severity. CVSS v3 base score is 4.1 out of 10.