CVE-2026-82837

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 of group URL slugs during namespace transfers.

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 authorization checks in the Generic Package Registry.

GitLab CE/EE versions from 15.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 contain a vulnerability that under certain conditions allows an authenticated user to access CI/CD variables outside their intended environment scope. The cause is improper input validation in the environment scope pattern matcher.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3. This issue could have allowed an unauthenticated user to cause denial of service by sending specially crafted requests due to insufficient input validation.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3. This issue could have allowed an unauthenticated user to cause denial of service by sending specially crafted JSON payloads due to insufficient input validation.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3. This issue could have allowed an unauthenticated user to cause denial of service by sending specially crafted payloads on certain API endpoints.

An issue has been discovered in GitLab CE/EE affecting all versions from 8.14 before 16.0.8, from 16.1 before 16.1.3, and from 16.2 before 16.2.2. A Denial of Service (DoS) attack was possible via crafted payloads using AutolinkFilter at the preview_markdown endpoint.

A missing authorization check in GitLab CE/EE allows an unauthorized user to view project import source information. Affected versions are from 16.6 to 19.0.4, 19.1 to 19.1.2, and 19.2 to 19.2.0.

GitLab CE/EE has improper authorization checks on merge request collaboration settings, allowing an authenticated user with developer role to commit changes to a project after being removed as a member. Affected versions are 10.6 through 19.0.4, 19.1 through 19.1.2, and 19.2 through 19.2.0.

A vulnerability in GitLab CE/EE allowed an unauthenticated user to view confidential issue references in public projects under certain conditions due to improper authorization checks. Affected versions: 17.5 to 18.11.6, 19.0 to 19.0.3, and 19.1 to 19.1.1.