CVE-2025-11224
HighSummary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.
Risk Assessment
Stored XSS could allow an attacker to execute malicious scripts in other users' browsers, potentially leading to session theft or unauthorized actions.
Recommendation
Upgrade GitLab to version 18.3.6, 18.4.4, or 18.5.2 (or later) depending on your version.
Other vulnerabilities in GitLab
See all- CVE-2026-0723High
GitLab CE/EE versions from 18.6 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 contain a vulnerability that could allow an individual with knowledge of a victim's credential ID to bypass two-factor authentication by submitting forged device responses.
- CVE-2025-13928High
GitLab CE/EE versions from 17.7 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 contain a vulnerability that could allow an unauthenticated user to cause a denial of service condition by exploiting incorrect authorization validation in API endpoints.
- CVE-2025-13927High
GitLab CE/EE versions from 11.9 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 contain a vulnerability that could allow an unauthenticated user to create a denial of service condition by sending crafted requests with malformed authentication data.
- CVE-2016-9469High
Multiple versions of GitLab expose a dangerous method that could lead to the deletion of all Issue and MergeRequest objects by any authenticated user. For publicly available projects, this vulnerability could be exploited by unauthenticated users.
- CVE-2016-4340High
The impersonate feature in Gitlab versions 8.7.0, 8.6.0 through 8.6.7, 8.5.0 through 8.5.11, 8.4.0 through 8.4.9, 8.3.0 through 8.3.8, and 8.2.0 through 8.2.4 allows remote authenticated users to 'log in' as any other user via unspecified vectors.
- CVE-2026-19478Critical
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could allow an unauthenticated user to remotely modify or delete public projects and user data via a GraphQL directive.
- CVE-2021-22205CriticalActively exploited
A vulnerability in GitLab CE/EE from version 11.9 allows remote code execution due to improper validation of image files passed to a parser.
- CVE-2026-77801Medium
GitLab CE/EE versions from 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 contain a vulnerability that, under certain conditions, could allow an authenticated user to cause a denial of service affecting background job processing due to missing object count limits.
- CVE-2026-3035Medium
GitLab EE versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 contain a vulnerability that, under certain conditions, could allow an authenticated user with project Maintainer permissions to access the terminal of a protected environment they were not authorized to use due to improper authorization checks.
- CVE-2026-15387Medium
GitLab EE versions from 19.1 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 contain a vulnerability that, under certain conditions, could allow an authenticated user with developer-role permissions to influence the execution environment of Pipeline Execution Policy enforcement jobs due to improper handling of job dependencies.
Original NVD description (English source)
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.