What is CVE-2026-9350?

CVE-2026-9350 is a high-severity vulnerability in Nousresearch Hermes-agent, classified under Missing Authorization. CVSS score: 7.3/10. Published 2026-05-24.

How severe is CVE-2026-9350?

High severity. CVSS v3 base score is 7.3 out of 10.

Auth bypass in Nousresearch Hermes-agent

CVE-2026-9350

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This affects the function check_all_command_guards of the file tools/approval.py of the component Batch Runner. Such manipulation leads to missing authorization…

Vulnerability class: Broken Access Control

EPSS: 0.001 (15.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Nousresearch Hermes-agent — versions 2026.4.0, 2026.4.1, 2026.4.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-9350?: CVE-2026-9350 is a high-severity vulnerability in Nousresearch Hermes-agent, classified under Missing Authorization. CVSS score: 7.3/10. Published 2026-05-24.
How severe is CVE-2026-9350?: High severity. CVSS v3 base score is 7.3 out of 10.