nousresearch/hermes-agent · Security
hermes-agent has an Injection issue
- GHSA ID
- GHSA-xq8w-9jvx-gm3v
- CVE ID
- CVE-2026-10221
- Severity
- medium
- Published
- Updated
- CVSS
- 7.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS v3
- 7.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS v4
- 5.5 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Description
A vulnerability was identified in NousResearch hermes-agent up to 0.12.0. Affected by this vulnerability is the function _compress_context of the file run_agent.py. The manipulation leads to injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
CWEs
- CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-10221 ↗
- https://gist.github.com/YLChen-007/d343fcfe2c009cd45f56dc475fd5ac03 ↗
- https://vuldb.com/cve/CVE-2026-10221 ↗
- https://vuldb.com/submit/822019 ↗
- https://vuldb.com/vuln/367500 ↗
- https://vuldb.com/vuln/367500/cti ↗
- https://github.com/NousResearch/hermes-agent/issues/26979 ↗
- https://github.com/NousResearch/hermes-agent/pull/69860 ↗
- https://github.com/NousResearch/hermes-agent/commit/2ca38e5df43411afe11aedfc34bfd71a2eecd4bb ↗
- https://github.com/advisories/GHSA-xq8w-9jvx-gm3v ↗