Critical GitLab GraphQL Vulnerability Allow Attackers to Delete Public Projects

GitLab has released urgent security updates to fix a critical GraphQL vulnerability that could allow unauthenticated attackers to modify or delete public projects and user data remotely. The issue, tracked as CVE-2026-19478, affects GitLab Community Edition and Enterprise Edition installations across several supported release branches. The vulnerability was addressed in GitLab versions 19.2.4, 19.1.6, 19.0.8, and 18.11.11, released on August 17, 2026. GitLab strongly recommends that administrators of self-managed instances upgrade immediately. GitLab.com and GitLab Dedicated have already received the patched version and require no customer action. GitLab GraphQL Vulnerability CVE-2026-19478 is a code injection issue involving a...

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