Vulnerability · Published May 24, 2026 · Assigned by VulDB
CVE-2026-9352NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure
Medium 5.3
In plain English
A medium-severity information exposure 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 0.3% (higher than 21% of all known vulnerabilities).
Official description
A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. 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 | 2026.4.02026.4.12026.4.22026.4.32026.4.42026.4.52026.4.62026.4.7 |
Weakness: CWE-200, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-365315 | NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure vdb-entry, technical-description
- VDB-365315 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #812215 | NousResearch hermes-agent 2026.4.23 Exposure of Sensitive Information (CWE-200) third-party-advisory
- https://gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27 exploit