Description
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.
Scores
CVSS v3
7.5
EPSS
0.0004
EPSS Percentile
10.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-436
Status
published
Products (1)
gitlab/gitlab
18.4.0 - 18.6.6 (2 CPE variants)
Published
Feb 11, 2026
Tracked Since
Feb 18, 2026