Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 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 create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3590487
https://hackerone.com/reports/3590487
Scores
CVSS v3
6.5
EPSS
0.0001
EPSS Percentile
1.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-352
Status
published
Products (4)
GitLab/GitLab
11.10 - 18.9.7
gitlab/gitlab
11.10.0 - 18.9.7 (2 CPE variants)
GitLab/GitLab
18.10 - 18.10.6
GitLab/GitLab
18.11 - 18.11.3
Published
May 14, 2026
Tracked Since
May 14, 2026