Description
GitLab has remediated an issue in GitLab EE affecting all versions from 11.9 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by uploading a specially crafted file due to improper validation.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3515842
https://hackerone.com/reports/3515842
Scores
CVSS v3
6.5
EPSS
0.0002
EPSS Percentile
4.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-502
Status
published
Products (4)
GitLab/GitLab
11.9 - 18.9.7
gitlab/gitlab
11.9.0 - 18.9.7
GitLab/GitLab
18.10 - 18.10.6
GitLab/GitLab
18.11 - 18.11.3
Published
May 14, 2026
Tracked Since
May 14, 2026