Vulnerability · Published Apr 27, 2026 · Assigned by VulDB
CVE-2026-7113NousResearch hermes-agent Webhooks Endpoint webhook.py missing authentication
Medium 5.6
In plain English
A medium-severity missing authentication in hermes-agent from NousResearch. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Official description
A vulnerability was found in NousResearch hermes-agent 0.8.0. Affected by this issue is some unknown functionality of the file gateway/platforms/webhook.py of the component Webhooks Endpoint. The manipulation of the argument _INSECURE_NO_AUTH results in missing authentication. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitation is known to be difficult. The exploit has been made public and could be used. The project was informed of the problem early through a pull request but has not reacted yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NousResearch | hermes-agent | 0.8.0 |
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-359713 | NousResearch hermes-agent Webhooks Endpoint webhook.py missing authentication vdb-entry, technical-description
- VDB-359713 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #800802 | NousResearch hermes-agent 0.8.0 Unauthenticated Remote Code Execution Webhook third-party-advisory
- https://github.com/NousResearch/hermes-agent/issues/6440 exploit, issue-tracking
- https://github.com/NousResearch/hermes-agent/pull/6445 issue-tracking, patch
- https://github.com/NousResearch/hermes-agent/ product