| Component | Hermes Agent |
| Severity | medium (CVSS 5.3) |
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Published (NVD) | 2026-06-02 |
| Last modified | 2026-06-03 |
| Affected versions | not published yet, see the advisory |
| Fixed in | see the vendor advisory |
| Weakness | CWE-287 |
| CISA KEV | not listed |
NVD description
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. The manipulation results in improper authentication. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep Hermes Agent off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-10548
- https://gist.github.com/YLChen-007/caf38652afeccbbd53a9d77152b6198d
- https://vuldb.com/cve/CVE-2026-10548
- https://vuldb.com/submit/822026
- https://vuldb.com/vuln/367645
- https://vuldb.com/vuln/367645/cti
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