Information disclosure in Nousresearch Hermes-Agent
CVE-2026-9352
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Nousresearch Hermes-Agent — versions 2026.4.0, 2026.4.1, 2026.4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/365315 (technical-description, vdb-entry)
- vuldb.com/vuln/365315/cti (signature, permissions-required)
- vuldb.com/submit/812215 (third-party-advisory)
- gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27 (exploit)
Frequently asked questions
- What is CVE-2026-9352?
- CVE-2026-9352 is a medium-severity vulnerability in Nousresearch Hermes-Agent, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-05-24.
- How severe is CVE-2026-9352?
- Medium severity. CVSS v3 base score is 5.3 out of 10.