Auth bypass in Nousresearch Hermes-Agent
CVE-2026-11461
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.
EPSS: 0.002 (13.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Nousresearch Hermes-agent — versions 0.1, 0.2, 0.3
Weakness classification (CWE)
References
- cna@vuldb.com (related)
- cna@vuldb.com (exploit)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-11461?
- CVE-2026-11461 is a medium-severity vulnerability in Nousresearch Hermes-Agent, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-06-07.
- How severe is CVE-2026-11461?
- Medium severity. CVSS v3 base score is 6.3 out of 10.