CVE-2026-9353

NousResearch hermes-agent Skills Guard Multi-Word Prompt skills_guard.py injection

HIGH
7.3
CVSS Score
Published: May 24, 2026 at 03:45 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorHermes Agent

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Severity
HIGH7.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/365316
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/365316/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/812216

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-74CWE-707

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