CVE-2026-86424 ImageMagick before 7.1.2-30 Path Traversal via TOCTOU Symlink Race
Attackers can bypass path restrictions to write files to unauthorized locations via a symlink race condition in the video decoder.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-86424?
CVE-2026-86424 is a low-severity path traversal vulnerability in Imagemagick Imagemagick, published on 7 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ImageMagick before 7.1.2-30 and 6.9.13-55 contains a time-of-check-time-of-use (TOCTOU) vulnerability in the video decoder that allows attackers to bypass path policy write restrictions via symlink swaps. An attacker can replace a symlink between policy validation (check-time) and the file write operation (use-time) to write to policy-denied locations.
Weakness: CWE-59
Which versions are affected by CVE-2026-86424?
It affects 1 product.
Products include Imagemagick Imagemagick.
How do I fix CVE-2026-86424?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-86424 being exploited?
There is no known exploitation of CVE-2026-86424 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
Sources
Also known as DEBIAN-CVE-2026-86424, ECHO-7914-75a2-5326, GHSA-9x6f-98x9-rx6g, GHSA-v7f7-cw7c-4cvq, MINI-mq75-4q2h-c6r6, UBUNTU-CVE-2026-86424.