CVE-2026-1230

Name: CVE-2026-1230
Creator: NVD / NIST
Published: 2026-03-11T16:16:22.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-1230 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.19%

9.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-706

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 1.0.0, < 18.7.6
Gitlab	Gitlab	>= 18.8.0, < 18.8.6
Gitlab	Gitlab	>= 18.9.0, < 18.9.2

References

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

Timeline

Published: Mar 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1230?

How severe is CVE-2026-1230?

CVE-2026-1230 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1230?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1230?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST