GHSA-CV3R-C5H8-F4G5 @zereight/mcp-gitlab: Unauthenticated arbitrary file read via `upload_markdown` enables PAT exfiltration and full account takeover

Summary The SSE transport mode SSE=true exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and uploads them to a GitLab project. Combined, any unauthenticated network-reachable...

EUVD-2026-80008

@zereight/mcp-gitlab: Unauthenticated arbitrary file read via uploadmarkdown enables PAT exfiltration and full account takeover...

CVE-2026-86341

GitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user with Owner or Maintainer permissions could have silently disabled protected environment deployment approval...

CVE-2026-86341

CVE-2026-86341 affects GitLab EE versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2. The root cause is an improper access control check performed after a protected environment approval rule was already modified, rather than before. Under certain conditions, an authentica...

EUVD-2026-80249

GitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user with Owner or Maintainer permissions could have silently disabled protected environment deployment approval...

CVE-2026-86341 Access Control Check Implemented After Asset is Accessed in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user with Owner or Maintainer permissions could have silently disabled protected environment deployment approval...

CVE-2026-86341 Access Control Check Implemented After Asset is Accessed in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user with Owner or Maintainer permissions could have silently disabled protected environment deployment approval...

CVE-2026-86341 Access Control Check Implemented After Asset is Accessed in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user with Owner or Maintainer permissions could have silently disabled protected environment deployment approval...

CVE-2026-79708

GitLab has remediated an issue in GitLab EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions could have allowed an authenticated user with developer permissions to execute a policy test pipeline on projects within their grou...

CVE-2026-7514

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that an authenticated user with developer-role permissions could substitute package file content and hide packages from their owners due to improper...

CVE-2026-78252

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.3 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions, an authenticated user could have induced a targeted user to perform unintended state-changing HTTP requests due to improper...

CVE-2026-8030

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user to prevent another user from modifying their group settings due to improper validation o...

CVE-2026-19619

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in the context of a targeted user's session due to...

CVE-2026-1168

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4.6 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to cause denial of service due to improper resource allocation limits in the GraphQL...

CVE-2026-3855

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cau...

CVE-2026-16794

GitLab has remediated an issue in GitLab EE affecting all versions from 18.11 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with the Security Manager role to execute arbitrary CI/CD jobs and access protected...

CVE-2025-14871

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4.6 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to cause denial of service due to improper resource allocation limits in the GraphQL...

CVE-2024-11222

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed a developer user to perform actions in the context of another user's merge request commit due to a race...

EUVD-2024-55768

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed a developer user to perform actions in the context of another user's merge request commit due to a race...

CVE-2024-11222 Time-of-check Time-of-use (TOCTOU) Race Condition in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed a developer user to perform actions in the context of another user's merge request commit due to a race...