CVE-2026-86424: imagemagick — Fix

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.

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CVSS v3.1 Score

2.5

LOW

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0011

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-59 CWE-59

Affected Products

Vendor	Product	Versions
imagemagick	imagemagick	< 6.9.13-55
imagemagick	imagemagick	7.0.0-0 — 7.1.2-30

References

Advisories & Patches

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9x6f-98x9-rx6g

Other References

https://www.vulncheck.com/advisories/imagemagick-before-7.1.2-30-path-traversal-via-toctou-symlink-race

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 2.5 (LOW).

How severe is CVE-2026-86424? +

CVE-2026-86424 has a CVSS v3.1 score of 2.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0011, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-86424? +

CVE-2026-86424 affects products from imagemagick, specifically: imagemagick. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-86424? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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