CISA-confirmed known exploited vulnerability

CVE-2021-22205

GitLab Community and Enterprise Editions Remote Code Execution Vulnerability

GitLab · Community and Enterprise Editions

Vulnerability details

GitHub Community and Enterprise Editions that utilize the ability to upload images through GitLab Workhorse are vulnerable to remote code execution. Workhorse passes image file extensions through ExifTool, which improperly validates the image files.

Added to CISA KEV: 2021-11-03

Ransomware campaign use: Known

CISA due date: 2021-11-17

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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