CVE-2026-1230 — MEDIUM (4.1)

Q: How severe is CVE-2026-1230?

CVE-2026-1230 has been rated MEDIUM with a CVSS base score of 4.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-1230?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.

Vulnerability Description

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 than displayed in the web interface due to incorrect validation of branch references under certain circumstances.

CVSS Score

4.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	>= 1.0.0, < 18.7.6

Related Weaknesses (CWE)

CWE-706

References

https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-releaseRelease NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/587002Broken Link
https://hackerone.com/reports/3505165Permissions Required

FAQ

What is CVE-2026-1230?

CVE-2026-1230 is a vulnerability with a CVSS score of 4.1 (MEDIUM). 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 reposito...

How severe is CVE-2026-1230?

CVE-2026-1230 has been rated MEDIUM with a CVSS base score of 4.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-1230?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.