CVE-2026-103515 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data...

CVE-2026-103515 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data...

CVE-2026-103515 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when an instance administrator locked a group's Duo availability, an authenticated user with group Owner permissions could have re-enabled AI-backed data...

CVE-2026-103515

GitLab EE versions 19.2 before 19.3.6 , 19.4 before 19.4.3 , and 19.5 before 19.5.1 are vulnerable to an incorrect authorization issue (CWE-863). Due to insufficient granularity in admin-lock enforcement controls, an authenticated user with group Owner permissions could re-enable AI-backed data e...

CVE-2026-105711 Use of Cache Containing Sensitive Information in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could...

CVE-2026-105711

GitLab CE/EE versions 15.0 to 19.3.6, 19.4 to 19.4.3, and 19.5 to 19.5.1 are vulnerable to a use of cache containing sensitive information (CWE-524). The root cause is a viewer-independent fragment cache key that incorrectly shares per-user-redacted rendered content across all users. This allows ...

CVE-2026-105711 Use of Cache Containing Sensitive Information in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could...

CVE-2026-105777

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6.5 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have retrieved sensitive internal server credentials due to improper filtering of internal...

CVE-2026-105777 Insertion of Sensitive Information Into Sent Data in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6.5 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have retrieved sensitive internal server credentials due to improper filtering of internal...

CVE-2026-105777 Insertion of Sensitive Information Into Sent Data in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.6.5 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have retrieved sensitive internal server credentials due to improper filtering of internal...

CVE-2026-105777

GitLab CE/EE versions 17.6.5 before 19.3.6 , 19.4 before 19.4.3 , and 19.5 before 19.5.1 are vulnerable to an issue where an unauthenticated user could retrieve sensitive internal server credentials . The root cause is the improper filtering of internal response headers . GitLab has remediated th...

CVE-2026-112378 Use of Less Trusted Source in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated user to access paid AI features without a valid subscription due to insufficient server-side...

CVE-2026-112378

The GitLab EE software is affected by a vulnerability where an authenticated user could access paid AI features without a valid subscription. This is caused by insufficient server-side validation during billing eligibility checks (CWE-348 ). The issue impacts versions 17.8 before 19.3.6 , 19.4 be...

CVE-2026-112378 Use of Less Trusted Source in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated user to access paid AI features without a valid subscription due to insufficient server-side...

CVE-2026-112212

GitLab CE/EE versions 18.3 before 19.3.6 , 19.4 before 19.4.3 , and 19.5 before 19.5.1 are vulnerable to HTTP Request/Response Smuggling (CWE-444). An unauthenticated user can poison a shared cache's OAuth/OIDC discovery document because the software improperly trusts user-supplied values when co...

CVE-2026-112212 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112326

GitLab EE is affected by a vulnerability where an authenticated user with read-only permissions could permanently delete existing vulnerability records. The root cause is improper cleanup logic during error handling, which fails to distinguish between pre-existing and newly created records when a...

CVE-2026-112326 Improper Cleanup on Thrown Exception in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with read-only permissions to permanently delete existing vulnerability records due to...