| Component | Hermes Agent |
| Severity | high (CVSS 7.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| Published (NVD) | 2026-06-01 |
| Affected versions | not published yet, see the advisory |
| Fixed in | see the vendor advisory |
| Weakness | CWE-74CWE-707 |
| CISA KEV | not listed |
NVD description
A vulnerability was determined in NousResearch hermes-agent up to 2026.4.30. Affected is the function _serve_plugin_skill/skill_view of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. 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-2026-10220
- https://gist.github.com/YLChen-007/9dd399c6f75b31fa741a613dfd41de08
- https://vuldb.com/cve/CVE-2026-10220
- https://vuldb.com/submit/822018
- https://vuldb.com/vuln/367499
- https://vuldb.com/vuln/367499/cti
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