GitHub Advisoryadvisory · PyPI
GHSA-pgp4-xr4j-h5cg hermes-agent has an Injection issue
MEDIUM
Official page ↗
- Aliases
- CVE-2026-9366
- 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 vulnerability was found in NousResearch hermes-agent 2026.4.23. The impacted element is the function _scan_context_content of the file agent/prompt_builder.py. The manipulation results in injection. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Related
Alias · CVE (1)
- CVE-2026-9366 A vulnerability was found in NousResearch hermes-agent 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-2026-9366 advisory
- https://github.com/NousResearch/hermes-agent/commit/0dee92df22bdc0cfbcad90ca954aa14916f018de web
- https://gist.github.com/YLChen-007/581fd92de5548fbaacb2092e848a75cc web
- https://github.com/NousResearch/hermes-agent package
- https://vuldb.com/submit/812227 web
- https://vuldb.com/vuln/365329 web
- https://vuldb.com/vuln/365329/cti web