Craft CMS has authenticated path traversal in `assets/icon`, allowing local `.svg` file read

Summary An authenticated path traversal in assets/icon allows local SVG file read by passing traversal sequences in the extension parameter. The issue is caused by file existence checks happening before extension validation. Details The endpoint: - src/controllers/AssetsController.php:1115-1123 -...

GHSA-C43V-4CR8-6MVP Craft CMS has authenticated path traversal in `assets/icon`, allowing local `.svg` file read

Summary An authenticated path traversal in assets/icon allows local SVG file read by passing traversal sequences in the extension parameter. The issue is caused by file existence checks happening before extension validation. Details The endpoint: - src/controllers/AssetsController.php:1115-1123 -...

Duplicate Advisory: Craft CMS has authenticated path traversal in `assets/icon`, allowing local `.svg` file read

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-c43v-4cr8-6mvp. This link is maintained to preserve external references. Original Description Craft CMS from 4.0.0-RC1 contains an authenticated path traversal vulnerability in the assets/icon endpoint where the...

CVE-2026-56394

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,...

CVE-2026-56394

Craft CMS 4.0.0-RC1 contains an authenticated path traversal in the assets/icon endpoint. The extension parameter is not validated before file-existence checks, allowing traversal sequences to resolve to existing SVG files and enabling local file read access. Root cause is improper validation of ...

CVE-2026-56394 Craft CMS - Authenticated Path Traversal in assets/icon Extension Parameter

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,...

CVE-2026-56394 Craft CMS - Authenticated Path Traversal in assets/icon Extension Parameter

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,...

CVE-2026-56394

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,...

EUVD-2026-38160

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,...

CVE-2026-56394 Craft CMS - Authenticated Path Traversal in assets/icon Extension Parameter

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,...

PT-2026-51235

Name of the Vulnerable Software and Affected Versions Craft CMS versions 4.0.0-RC1 and later Description An authenticated path traversal flaw exists in the 'assets/icon' endpoint. The issue occurs because the extension parameter is not validated before the system performs file existence checks. A...

CVE-2026-56394: Improper Limitation of a Pathname to a Restricted Directory

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,...