Time-of-check Time-of-use (TOCTOU) Race Condition in ImageMagick - CVE-2026-28689
Published: March 11, 2026 / Updated: March 12, 2026
Vulnerability identifier: #VU123892
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28689
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition in domain="path" authorization. A remote user can bypass authentication on the system.
How to mitigate CVE-2026-28689
Install updates from vendor's website.