CVE-2026-53870
Published:June 17, 2026
Updated:August 04, 2026
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.
Affected Packages
https://github.com/NousResearch/hermes-agent.git (GITHUB):
Affected version(s) >=v2026.3.12 <v2026.5.28Fix Suggestion:
Update to version v2026.5.28hermes-agent (PYTHON):
Affected version(s) >=0.13.0 <0.16.0Fix Suggestion:
Update to version 0.16.0Related Resources (10)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Incorrect Default Permissions
EPSS
Base Score:
0.11