HIGHCVSS 7.1EPSS 0.3%

CVE-2026-56394

CVE-2026-56394 updated by NVD

Published: 2026-07-09
Modified: 2026-10-27
EPSS percentile: 26%
Sources: github-advisory, nvd

Summary

Craft CMS from 4.0.0-RC1 contains an authenticated path traversal vulnerability in the assets/icon endpoint where the extension parameter is not validated before file existence checks. Attackers can bypass extension validation by passing traversal sequences that resolve to existing SVG files, allowing local file read access.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
Packagist	craftcms/cms	—	4.17.7, 5.9.13

Remediation: Upgrade to 4.17.7 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-56394

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.