CVE-2026-7481 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

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HIGH

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

Published May 14, 2026

8.7

HIGH

CVSS 3.1

EPSS 0.40%

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.

Affected products

Vendor GitLab Product GitLab Default
unaffected
- Version
  16.4
  Status
  affected
  Constraints
  <18.9.7
- Version
  18.10
  Status
  affected
  Constraints
  <18.10.6
- Version
  18.11
  Status
  affected
  Constraints
  <18.11.3

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

GitLab

unaffected

Version	Status	Constraints
16.4	affected	<18.9.7
18.10	affected	<18.10.6
18.11	affected	<18.11.3

Remediation

Vendor solution

Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above.

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (3)

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/598646
Broken Link
https://hackerone.com/reports/3697379
technical-descriptionexploitpermissions-requiredPermissions Required

Link	Providers	Tags
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/		Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/598646		Broken Link
https://hackerone.com/reports/3697379		technical-descriptionexploitpermissions-requiredPermissions Required