Vulnerability in Imagemagick
CVE-2026-86424
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.
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-86424?
- CVE-2026-86424 is a low-severity vulnerability in Imagemagick, classified under Improper Link Resolution Before File Access. CVSS score: 2.5/10. Published 2026-09-07.
- How severe is CVE-2026-86424?
- Low severity. CVSS v3 base score is 2.5 out of 10.