Denial of Service in GitLab CE/EE Group Placeholder Reassignments API file upload handling
CVE-2026-1500 is a medium-severity denial-of-service vulnerability in GitLab Community Edition and Enterprise Edition affecting all versions from 17.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2. According to the provided content, the issue affects the Group Placeholder Reassignments API and can be triggered when GitLab processes a specially crafted file upload. Under certain conditions, an authenticated user can cause uncontrolled resource consumption during file processing, resulting in service degradation or denial of service. The available information does not identify the exact vulnerable function or code path beyond the API/file-upload processing context.
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Denial-of-service vulnerability in GitLab triggered during specially crafted file uploads.
Denial-of-service vulnerability in GitLab CE/EE Group Placeholder Reassignments API caused by uncontrolled resource consumption when processing a crafted file upload.
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