CVE-2026-7481

HIGH

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Title source: cna

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to execute arbitrary JavaScript in other users' browsers due to improper input sanitization.

References (3)

Core 3

Core References

https://gitlab.com/gitlab-org/gitlab/-/work_items/598646

Exploit technical-description exploit permissions-required

HackerOne Bug Bounty Report #3697379

https://hackerone.com/reports/3697379

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

Scores

CVSS v3 8.7

EPSS 0.0005

EPSS Percentile 15.7%

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 16.4 - 18.9.7

gitlab/gitlab 16.4.0 - 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