Description
A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. This affects the function _scan_memory_content of the file tools/memory_tool.py. This manipulation causes injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| NousResearch | hermes-agent | 2026.4.0, 2026.4.1, 2026.4.2, 2026.4.3, 2026.4.4, 2026.4.5, 2026.4.6, 2026.4.7, 2026.4.8, 2026.4.9, 2026.4.10, 2026.4.11, 2026.4.12, 2026.4.13, 2026.4.14, 2026.4.15, 2026.4.16, 2026.4.17, 2026.4.18, 2026.4.19, 2026.4.20, 2026.4.21, 2026.4.22, 2026.4.23, 2026.4.24, 2026.4.25, 2026.4.26, 2026.4.27, 2… | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | hermes-agent | < 0.15.0 | 0.15.0 | GHSA-33qv-c5qm-799v |
References
- VDB-367502 | NousResearch hermes-agent memory_tool.py _scan_memory_content injection vdb-entry technical-description
- VDB-367502 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-10223 | CVE Analysis and Report third-party-advisory
- Submit #822021 | NousResearch hermes-agent <= v2026.4.30 Injection (CWE-74) third-party-advisory
- https://gist.github.com/YLChen-007/a1fb77ad2488c545a35d0f66356ea7b4 exploit