What is CVE-2026-105823?

CVE-2026-105823 is a medium-severity vulnerability in Imagemagick, classified under Improper Access Control. CVSS score: 4.0/10. Published 2026-10-08.

How severe is CVE-2026-105823?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Vulnerability in Imagemagick

CVE-2026-105823

ImageMagick before 6.9.13-56 and 7.x before 7.1.2-31 lacks a security policy check in the CUT encoder, allowing configured security policies to be bypassed. Attackers can supply crafted input processed by the CUT encoder to crash the application or leak sensitive data.

Published 2026-10-08 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Imagemagick

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r868-pmwh-fv2c (vendor-advisory)
www.vulncheck.com/advisories/imagemagick-before-7.1.2-31-policy-bypass-in-cut-e… (third-party-advisory)

Frequently asked questions

What is CVE-2026-105823?: CVE-2026-105823 is a medium-severity vulnerability in Imagemagick, classified under Improper Access Control. CVSS score: 4.0/10. Published 2026-10-08.
How severe is CVE-2026-105823?: Medium severity. CVSS v3 base score is 4.0 out of 10.