Wisp Vulnerable to Path Traversal

Summary wisp.servestatic is vulnerable to arbitrary file read via percent-encoded path traversal %2e%2e. The directory traversal sanitization runs before percent-decoding, allowing encoded .. sequences to bypass the filter. An unauthenticated attacker can read any file readable by the application...

CVE-2026-28807

Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in gleam-wisp wisp allows arbitrary file read via percent-encoded path traversal. The wisp.servestatic function is vulnerable to path traversal because sanitization runs before percent-decoding. The encoded...

CVE-2026-28807

Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in gleam-wisp wisp allows arbitrary file read via percent-encoded path traversal. The wisp.servestatic function is vulnerable to path traversal because sanitization runs before percent-decoding. The encoded...

EEF-CVE-2026-28807 Path Traversal in wisp.serve_static allows arbitrary file read

Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability in gleam-wisp wisp allows arbitrary file read via percent-encoded path traversal. The wisp.servestatic function is vulnerable to path traversal because sanitization runs before percent-decoding. The encoded...

PT-2026-24472

Name of the Vulnerable Software and Affected Versions gleam-wisp wisp versions 2.1.1 through 2.2.0 Description A path traversal issue exists in gleam-wisp wisp that allows arbitrary file reading through percent-encoded path traversal. The wisp.serve static function is susceptible because...