AstrBot is vulnerable to RCE with hard-coded JWT signing keys

Summary

AstrBot uses a hard-coded JWT signing key, allowing attackers to execute arbitrary commands by installing a malicious plugin.

Details

AstrBot uses a hard-coded JWT signing key, which allows attackers to bypass the authentication mechanism. Once bypassed, the attacker can install a Python plugin that will be imported here, enabling arbitrary command execution on the target host.

Impact

All publicly accessible AstrBot instances are vulnerable.

For more information, please see: CVE-2025-55449-AstrBot-RCE

Patch

This vulnerability was first reported on 2025-06-21 and was patched on the same day (2025-06-21).

The vulnerability was publicly disclosed on 2025-11-14. Prior to public disclosure, monitoring from AstrBot Cloud indicated that fewer than 2% of deployed instances were still running the affected version. Therefore, this disclosure is not expected to have a significant impact on existing active instances.