CVE-2026-4332
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that, in customizable analytics dashboards, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browsers due to improper input sanitization.
INFO
Published Date :
April 8, 2026, 11:16 p.m.
Last Modified :
July 24, 2026, 8:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update GitLab to version 18.8.9 or later.
- Update GitLab to version 18.9.5 or later.
- Update GitLab to version 18.10.3 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4332.
| URL | Resource |
|---|---|
| https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ | Release Notes Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/593853 | Broken Link |
| https://hackerone.com/reports/3600345 | Permissions Required |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4332 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4332
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4332 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4332 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 24, 2026
Action Type Old Value New Value Added Translation Title: GitLab, Description: GitLab ha remediado un problema en GitLab EE que afecta a todas las versiones desde la 18.2 anterior a la 18.8.9, la 18.9 anterior a la 18.9.5, y la 18.10 anterior a la 18.10.3 que, en los paneles de análisis personalizables, podría haber permitido a un usuario autenticado ejecutar JavaScript arbitrario en el contexto de los navegadores de otros usuarios debido a una sanitización de entrada incorrecta. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*'], 'repo': 'git://[email protected]:gitlab-org/gitlab.git', 'vendor': 'GitLab', 'product': 'GitLab', 'versions': [{'status': 'affected', 'version': '18.2', 'lessThan': '18.8.9', 'versionType': 'semver'}, {'status': 'affected', 'version': '18.9', 'lessThan': '18.9.5', 'versionType': 'semver'}, {'status': 'affected', 'version': '18.10', 'lessThan': '18.10.3', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-4332', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-04-09T13:04:56.534709Z'} -
Initial Analysis by [email protected]
Apr. 16, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.9.0 up to (excluding) 18.9.5 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.10.0 up to (excluding) 18.10.3 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* versions from (including) 18.2.0 up to (excluding) 18.8.9 Added Reference Type GitLab Inc.: https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ Types: Release Notes, Vendor Advisory Added Reference Type GitLab Inc.: https://gitlab.com/gitlab-org/gitlab/-/work_items/593853 Types: Broken Link Added Reference Type GitLab Inc.: https://hackerone.com/reports/3600345 Types: Permissions Required -
New CVE Received by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added Description GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that, in customizable analytics dashboards, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browsers due to improper input sanitization. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added Reference https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ Added Reference https://gitlab.com/gitlab-org/gitlab/-/work_items/593853 Added Reference https://hackerone.com/reports/3600345