Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the handler/router.go process. An attacker can access arbitrary files on the host filesystem by sending requests with percent-encoded backslashes %5C that bypass path sanitization. Details A Directory Traversal...

CVE-2026-53779

WebP Server Go 0.14.4 is affected by a path traversal flaw on Windows. Attackers can exploit percent-encoded backslashes (%5C) to bypass path.Clean() in handler/router.go, taking advantage of Go’s forward-slash normalization vs Windows path APIs to read files outside IMG_PATH. CVE records indicat...

CVE-2026-53779: Improper Limitation of a Pathname to a Restricted Directory

WebP Server Go through 0.14.4 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to read files outside the configured IMGPATH directory by sending requests with percent-encoded backslashes %5C that bypass the path.Clean sanitization in handler/router.go...