Vulnerability · CVE-2026-1402
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could hav
Published May 27, 2026 · catalog updated Oct 14, 2026 · GitLab GitLab
Check if you run it
No confirmed exploitation is on record for CVE-2026-1402. EPSS is 0.47%. Act only if a listed version of GitLab GitLab is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.47%
- Remediation
- Advisory link
- Affected products
- cpe gitlab/gitlab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe gitlab/gitlab19.0.0
How to fix CVE-2026-1402
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-1402. EPSS is 0.47%. Act only if a listed version of GitLab GitLab is installed.
Which versions are affected?
Compare what you have installed with 19.0.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-770: Allocation of Resources Without Limits or Throttling. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
May 27, 2026 · NIST NVD
Detected
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.
Oct 14, 2026 · NIST NVD
Updated
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.
Sources
- CVE.orgVulnerability recordCVE-2026-1402
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-1402
30-day exploitation probability 0.5%
first.org - GitLab Security ReleasesVendor advisoryCVE-2026-1402
On May 27, 2026, we released versions 19.0.1, 18.11.4, 18.10.7 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-2026-1402
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed an authenticated user to cause denial of service due to insufficient validation.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.