CVE 6.9 MEDIUM

NousResearch hermes-agent Skills Guard Multi-Word Prompt skills_guard.py injection_CVE-2026-9353

6.9 / 10
MEDIUM
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 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.

Basic Information

ID CVE-2026-9353
Source VulDB
Published May 24, 2026 at 03:45

Affected Product

Vendor NousResearch
Product hermes-agent
Version 2026.4.0
Affected Versions NousResearch hermes-agent 2026.4.0
NousResearch hermes-agent 2026.4.1
NousResearch hermes-agent 2026.4.2
NousResearch hermes-agent 2026.4.3
NousResearch hermes-agent 2026.4.4
NousResearch hermes-agent 2026.4.5
NousResearch hermes-agent 2026.4.6
NousResearch hermes-agent 2026.4.7
NousResearch hermes-agent 2026.4.8
NousResearch hermes-agent 2026.4.9
NousResearch hermes-agent 2026.4.10
NousResearch hermes-agent 2026.4.11
NousResearch hermes-agent 2026.4.12
NousResearch hermes-agent 2026.4.13
NousResearch hermes-agent 2026.4.14
NousResearch hermes-agent 2026.4.15
NousResearch hermes-agent 2026.4.16
NousResearch hermes-agent 2026.4.17
NousResearch hermes-agent 2026.4.18
NousResearch hermes-agent 2026.4.19
NousResearch hermes-agent 2026.4.20
NousResearch hermes-agent 2026.4.21
NousResearch hermes-agent 2026.4.22
NousResearch hermes-agent 2026.4.23

CWE Classification

References

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