CVE-2025-10858

An issue was discovered in GitLab CE/EE affecting all versions before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that allows unauthenticated users to cause a Denial of Service (DoS) condition while uploading specifically crafted large JSON files.
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: 14%
VendorProductVersion
gitlabgitlab
𝑥
< 18.2.7
gitlabgitlab
𝑥
< 18.2.7
gitlabgitlab
18.3.0 ≤
𝑥
< 18.3.3
gitlabgitlab
18.3.0 ≤
𝑥
< 18.3.3
gitlabgitlab
18.4.0
gitlabgitlab
18.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/gitlab/-/issues/570034