What is CVE-2026-7397?

CVE-2026-7397 is a medium-severity vulnerability in Nousresearch Hermes-agent, classified under Improper Link Resolution Before File Access. CVSS score: 4.4/10. Published 2026-04-29.

How severe is CVE-2026-7397?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Nousresearch Hermes-agent

CVE-2026-7397

A security flaw has been discovered in NousResearch hermes-agent 0.8.0. This affects the function _check_sensitive_path of the file tools/file_tools.py. The manipulation results in symlink following. Attacking locally is a requirement. The…

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Nousresearch Hermes-agent — versions 0.8.0, 0.9.0

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 (issue-tracking, exploit)
cna@vuldb.com (issue-tracking, patch)
cna@vuldb.com (patch)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-7397?: CVE-2026-7397 is a medium-severity vulnerability in Nousresearch Hermes-agent, classified under Improper Link Resolution Before File Access. CVSS score: 4.4/10. Published 2026-04-29.
How severe is CVE-2026-7397?: Medium severity. CVSS v3 base score is 4.4 out of 10.