VulnerabilitiesPath traversal in Praktor lets Telegram users plant agent orders
A flaw disclosed on 3 November 2026 allowed anyone who could message a Praktor bot to overwrite the files its Claude agent reads.
3 Nov 2026
A path traversal vulnerability in Praktor's Telegram bot integration allows remote users to write files outside the uploads directory and inject malicious instructions into Claude agent workspaces. The vulnerability affects versions through v0.9.0 and is patched in v0.9.1.
Disclosed 3 November 2026 · Record updated 3 November 2026
Remote attackers can escape the uploads directory and write arbitrary files to agent workspace volumes, including agent instruction files, enabling stored instruction injection attacks on Claude agents.
VulnerabilitiesA flaw disclosed on 3 November 2026 allowed anyone who could message a Praktor bot to overwrite the files its Claude agent reads.
3 Nov 2026