GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service due to improper handling of webhook response data.
CVE-2025-12576
MEDIUMNVD 6.5
6.5
- CVSS v3
- 6.5
- EG Score
- —
- EPSS
- —
- KEV
- Not listed
Published
March 11, 2026
Last Modified
March 18, 2026
References (3)
Vendor Advisories for CVE-2025-12576(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(4)
What is CVE-2025-12576?
CVE-2025-12576 is a medium vulnerability published on March 11, 2026. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service due to improper handling of webhook response data.
When was CVE-2025-12576 disclosed?
CVE-2025-12576 was first published in the National Vulnerability Database on March 11, 2026, with the most recent update on March 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2025-12576?
CVE-2025-12576 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2025-12576?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-12576, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-12576
Is Your Infrastructure Affected by CVE-2025-12576?
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