PYSEC-2026-3527 PraisonAI: Arbitrary File Read via `@file:` Mention Path Traversal

Summary The MentionsParser in src/praisonai-agents/praisonaiagents/tools/mentions.py processes @file: mentions in agent prompts by reading arbitrary files from the filesystem. When a file path is not found relative to the workspace, the parser falls back to using the path as an absolute path...