Vulnerability · Published Jun 7, 2026 · Assigned by VulDB
CVE-2026-11461NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization
Medium 6.3
In plain English
A medium-severity authorization bypass via user-controlled key 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 0.2% (higher than 13% of all known vulnerabilities).
Official description
A vulnerability has been found in NousResearch hermes-agent up to 0.12.0. This affects the function resolve_session_by_title of the file hermes_state.py of the component resume Endpoint. Such manipulation of the argument Title leads to authorization bypass. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NousResearch | hermes-agent | 0.10.20.30.40.50.60.70.8 |
Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-369081 | NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization vdb-entry, technical-description
- VDB-369081 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-11461 | CVE Analysis and Report third-party-advisory
- Submit #829402 | NousResearch hermes-agent <= v0.12.0 Authorization Bypass Through User-Controlled Key (CWE-639) third-party-advisory
- https://gist.github.com/YLChen-007/7951b3dc39193fb675914cc5d8b672fa related
- https://gist.github.com/YLChen-007/c2d162e9c8d39584223683cdcba98607 exploit