What is CVE-2026-10548?

CVE-2026-10548 is a medium-severity vulnerability in Nousresearch Hermes-agent, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-06-02.

How severe is CVE-2026-10548?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Nousresearch Hermes-agent

CVE-2026-10548

A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.23. This affects the function _sync_anthropic_entry_from_credentials_file of the file agent/credential_pool.py of the component Credential Pool Synchronization…

Vulnerability class: Broken Authentication

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/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)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2026-10548?: CVE-2026-10548 is a medium-severity vulnerability in Nousresearch Hermes-agent, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-06-02.
How severe is CVE-2026-10548?: Medium severity. CVSS v3 base score is 5.3 out of 10.