CVE-2026-53870
MediumCVSS 5.5Summary
Hermes Agent before 0.16.0 creates response_store.db and webhook_subscriptions.json with world-readable permissions, exposing conversation history and HMAC secrets to local users.
Risk Assessment
Attackers with local filesystem access can read these files directly to obtain sensitive data, leading to serious privacy and security breaches.
Recommendation
It is recommended to update Hermes Agent to version 0.16.0 or later to eliminate unsafe file permissions.
Original NVD description (English source)
Hermes Agent before 0.16.0 creates response_store.db and webhook_subscriptions.json with world-readable permissions (mode 0o644), exposing conversation history and HMAC secrets to local users. Attackers with local filesystem access can read these files directly to obtain sensitive data including conversation history, tool payloads, prompts, and per-route HMAC secrets.