What is CVE-2026-124428?

CVE-2026-124428 is a medium-severity vulnerability in Craftcms Cms, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-11-08.

How severe is CVE-2026-124428?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Craftcms Cms

CVE-2026-124428

Craft CMS from 5.7.0 before 5.11.2 contains an arbitrary file read vulnerability that allows authenticated control panel users to read SVG files by posting arbitrary paths to the app/icon-svg endpoint. Attackers can supply aliases or absolute paths, which are resolved without permission checks, to read any SVG-content file readable by the PHP process, including files outside the Craft installation.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-11-08.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

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

Craftcms Cms

Weakness classification (CWE)

CWE-22 — Path Traversal

References

GitHub Security Advisory (GHSA-5v62-pcq7-fxj9) (vendor-advisory)
VulnCheck Advisory: Craft CMS 5.7.0 before 5.11.2 Arbitrary SVG File Read via app/icon-svg (third-party-advisory)

Frequently asked questions

What is CVE-2026-124428?: CVE-2026-124428 is a medium-severity vulnerability in Craftcms Cms, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-11-08.
How severe is CVE-2026-124428?: Medium severity. CVSS v3 base score is 6.5 out of 10.