GitHub Advisoryadvisory · PyPI
GHSA-238w-f66p-w349 hermes-agent has an Injection issue
MEDIUM
Official page ↗
- Aliases
- CVE-2026-9353
- Ecosystem
- PyPI
- Packages
- hermes-agent
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-74
- Reviewed
- 2026-06-30
Affected packages
• PyPI hermes-agent: < 0.15.0 → fixed in 0.15.0
Description
A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. Impacted is an unknown function of the file agent/skills_guard.py of the component Skills Guard Multi-Word Prompt Handler. The manipulation of the argument THREAT_PATTERNS leads to injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Related
Alias · CVE (1)
- CVE-2026-9353 A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. vulnerability
Weakness · CWE (1)
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-9353 advisory
- https://github.com/NousResearch/hermes-agent/pull/26852 web
- https://github.com/NousResearch/hermes-agent/commit/7ebebfbb8d10937cbf2219b4cf5e121b71e67428 web
- https://gist.github.com/YLChen-007/82a3539d6358842e69dfaef0a9fcf14a web
- https://github.com/NousResearch/hermes-agent package
- https://vuldb.com/submit/812216 web
- https://vuldb.com/vuln/365316 web
- https://vuldb.com/vuln/365316/cti web