CVE-2025-12571

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitLabCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
gitlabgitlab
17.10.0 ≤
𝑥
< 18.4.5
gitlabgitlab
17.10.0 ≤
𝑥
< 18.4.5
gitlabgitlab
18.5.0 ≤
𝑥
< 18.5.3
gitlabgitlab
18.5.0 ≤
𝑥
< 18.5.3
gitlabgitlab
18.6.0
gitlabgitlab
18.6.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
17.6.5-19
fixed