CVE-2026-9353

MEDIUM EPSS 22.1%
Published May 24, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published May 24, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
22.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-707
CWE-74

References 4

  • gist.github.com https://gist.github.com/YLChen-007/82a3539d6358842e69dfaef0a9fcf14a
  • vuldb.com https://vuldb.com/submit/812216
  • vuldb.com https://vuldb.com/vuln/365316
  • vuldb.com https://vuldb.com/vuln/365316/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.