CVE-2026-1230
Use of Incorrectly-Resolved Name or Reference in GitLab
6.5
MEDIUM
CVSS 3.1
EPSS 0.06%
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.
How to fix CVE-2026-1230
To remediate CVE-2026-1230, upgrade the affected package to a fixed version below.
- —upgrade to 18.7.6 or later
Is CVE-2026-1230 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.0.0, < 18.7.6, >= 18.8.0, < 18.8.6, >= 18.9.0, < 18.9.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |