CVE-2026-56394

HIGH EPSS 25.4%
Published Jun 21, 20261w ago · Modified Jun 23, 20266d ago
7.1 CVSS 4.0
High
Find Similar
Published Jun 21, 2026 1w ago
Last Modified Jun 23, 2026 6d ago

Description

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.

CVSS Details

Base Score
7.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
25.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

References 3

  • github.com https://github.com/craftcms/cms/commit/30f5f1a8d6edf0f3a00be72c42c78d9dc7d72d5c
  • github.com https://github.com/craftcms/cms/security/advisories/GHSA-c43v-4cr8-6mvp
  • vulncheck.com https://www.vulncheck.com/advisories/craft-cms-authenticated-path-traversal-in-assets-icon-extension-parameter

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.