CVE-2026-11461 NousResearch hermes-agent resume Endpoint hermes_state.py resolve_session_by_title authorization
Remote attackers can bypass authorization in the hermes-agent resume endpoint by manipulating the session title argument.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11461?
CVE-2026-11461 is a medium-severity authentication bypass vulnerability in NousResearch hermes-agent, published on 7 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-11461?
How do I fix CVE-2026-11461?
No fix has been published for CVE-2026-11461 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-11461 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11461 exists.
Sources
Also known as GHSA-9396-xwf6-94hp.