Medium severity · published Mar 11, 2026
CVE-2026-1230
Use of Incorrectly-Resolved Name or Reference in GitLab
6.5
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
GitLab · GitLab
1.0 before 18.7.6; 18.8 before 18.8.6; 18.9 before 18.9.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1230
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1230
Release Notes
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
Broken Link
https://gitlab.com/gitlab-org/gitlab/-/work_items/587002
Permissions Required
https://hackerone.com/reports/3505165
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