CVE-2026-3160
MEDIUMUnintended Proxy or Intermediary ('Confused Deputy') in GitLab
Title source: cnaDescription
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to view Jira issues outside the configured project scope due to an integration filter functioning only as a display control rather than enforcing access boundaries as specified.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3566042
https://hackerone.com/reports/3566042
Scores
CVSS v3
5.8
EPSS
0.0002
EPSS Percentile
5.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-441
Status
published
Products (4)
GitLab/GitLab
13.7 - 18.9.7
gitlab/gitlab
13.7.0 - 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