CVE-2026-0958

EUVD-2026-7060
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 33.05%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
18.4.0 ≤
𝑥
< 18.6.6
gitlabgitlab
18.7.0 ≤
𝑥
< 18.7.4
gitlabgitlab
18.8.0 ≤
𝑥
< 18.8.4
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
jammy
dne
noble
dne
questing
dne
xenial
ignored
gitlab-agent
jammy
dne
noble
not-affected
questing
not-affected
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/586202
https://hackerone.com/reports/3463363