CVE-2025-2256: high-severity vulnerability in GitLab
Improper Validation of Specified Quantity in Input in GitLab
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.5%
An issue has been discovered in GitLab CE/EE affecting all versions from 7.12 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed unauthorized users to render the GitLab instance unresponsive to legitimate users by sending multiple concurrent large SAML responses.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
GitLab · GitLabRelated CVEs — GitLab
In the same product, most dangerous first.
CVE-2021-22205CRITICALCVE-2021-22205EPSS 99.7%KEVCVE-2026-85706CRITICALImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLabEPSS 97.4%KEVCVE-2023-7028CRITICALWeak Password Recovery Mechanism for Forgotten Password in GitLabEPSS 94.5%KEVCVE-2021-22175MEDIUMCVE-2021-22175EPSS 53.4%KEVCVE-2021-39935MEDIUMCVE-2021-39935EPSS 36.1%KEVCVE-2026-97229CRITICALInteger Overflow or Wraparound in GitLabEPSS 27.7%KEV