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 aut…
Published Mar 11, 2026 · corrected/updated Jun 17, 2026 · gitlab gitlab · evidence confidence high
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-1230 is a medium public vulnerability record for gitlab gitlab. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether gitlab gitlab is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: gitlab/gitlab. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 6.5, EPSS 0.2%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-706. Sources contributing to this record: cve_org, epss, gitlab_releases, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Mar 11, 2026 · GitLab Security Releases
Detected
On March 11, 2026, we released versions 18.9.2, 18.8.6, 18.7.6 for GitLab Community Edition (CE) and Enterprise Edition (EE). These versions contain important bug and security fixes, and we strongly recommend that all self-managed GitLab installations be upgraded to one of these versions immediately. GitLab.com is already running the patched version. GitLab Dedicated customers do not need to take
Jun 17, 2026 · NIST NVD
Updated
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.
Affected
- cpe gitlab/gitlabversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-1230
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-1230
30-day exploitation probability 0.2%
first.org - GitLab Security ReleasesVendor advisoryCVE-2026-1230
On March 11, 2026, we released versions 18.9.2, 18.8.6, 18.7.6 for GitLab Community Edition (CE) and Enterprise Edition (EE). These versions contain important bug and security fixes, and we strongly recommend that all self-managed GitLab installations be upgraded to one of these
docs.gitlab.com - NIST NVDVulnerability recordCVE-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 than displayed in the web interface due t
nvd.nist.gov