CVE-2026-1101
MEDIUMImproper Validation of Specified Quantity in Input in GitLab
Title source: cnaDescription
GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3460228
https://hackerone.com/reports/3460228
Scores
CVSS v3
6.5
EPSS
0.0041
EPSS Percentile
32.6%
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-1284
Status
published
Products (4)
GitLab/GitLab
18.10 - 18.10.3
GitLab/GitLab
18.2 - 18.8.9
gitlab/gitlab
18.2 - 18.8.9
GitLab/GitLab
18.9 - 18.9.5
Published
Apr 08, 2026
Tracked Since
Apr 09, 2026