CVE-2026-56394
MEDIUMCraft CMS - Authenticated Path Traversal in assets/icon Extension Parameter
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
GHSA Advisory GHSA-c43v-4cr8-6mvp
https://github.com/craftcms/cms/security/advisories/GHSA-c43v-4cr8-6mvp
Third Party Advisory third-party-advisory
VulnCheck Advisory: Craft CMS - Authenticated Path Traversal in assets/icon Extension Parameter
https://www.vulncheck.com/advisories/craft-cms-authenticated-path-traversal-in-assets-icon-extension-parameter
Scores
CVSS v3
6.5
EPSS
0.0034
EPSS Percentile
25.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (4)
craftcms/cms
4.0.0-RC1 - 4.17.7
craftcms/cms
4.17.7
craftcms/cms
5.0.0-RC1 - 5.9.13
craftcms/cms
5.9.13
Published
Jun 21, 2026
Tracked Since
Jun 21, 2026