CVE-2026-6073
HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Title source: cnaDescription
GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 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 execute arbitrary JavaScript in other users' browsers due to improper input sanitization.
References (3)
Core 3
Core References
Exploit technical-description
exploit
permissions-required
HackerOne Bug Bounty Report #3655677
https://hackerone.com/reports/3655677
Scores
CVSS v3
8.7
EPSS
0.0006
EPSS Percentile
19.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (4)
GitLab/GitLab
18.10 - 18.10.6
GitLab/GitLab
18.11 - 18.11.3
GitLab/GitLab
18.7 - 18.9.7
gitlab/gitlab
18.7.0 - 18.9.7
Published
May 14, 2026
Tracked Since
May 14, 2026