CVE-2026-33054

Mesop is a Python-based UI framework that allows users to build web applications. Versions 1.2.2 and below contain a Path Traversal vulnerability that allows any user supplying an untrusted statetoken through the UI stream payload to arbitrarily target files on the disk under the standard...

GHSA-8QVF-MR4W-9X2C Mesop has a Path Traversal utilizing `FileStateSessionBackend` leads to Application Denial of Service and File Write/Deletion

Summary A Path Traversal vulnerability allows any user or attacker supplying an untrusted statetoken through the UI stream payload to arbitrarily target files on the disk under the standard file-based runtime backend. This can result in application denial of service via crash loops when reading...

Mesop has a Path Traversal utilizing `FileStateSessionBackend` leads to Application Denial of Service and File Write/Deletion

Summary A Path Traversal vulnerability allows any user or attacker supplying an untrusted statetoken through the UI stream payload to arbitrarily target files on the disk under the standard file-based runtime backend. This can result in application denial of service via crash loops when reading...

PT-2026-26182

Name of the Vulnerable Software and Affected Versions Mesop versions 1.2.2 and below Description Mesop, a Python-based UI framework, contains a Path Traversal vulnerability. This allows a user providing an untrusted state token through the UI stream payload to target files on the disk when using...