Information Disclosure Vulnerability in NousResearch Hermes-Agent Messaging Gateway
CVE-2026-9352

6.9MEDIUM

Key Information:

Vendor

Nousresearch

Status
Hermes-agent
Vendor
CVE Published:
24 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9352?

A vulnerability has been discovered in the NousResearch hermes-agent's Messaging Gateway Handler, specifically within the _make_run_env function located in tools/environments/local.py. This weakness allows for potential information disclosure, which attackers can exploit remotely, exposing sensitive data. The public availability of the exploit amplifies the risk, emphasizing the urgency for affected users to assess their systems promptly.

Affected Version(s)

hermes-agent 2026.4.0

hermes-agent 2026.4.1

hermes-agent 2026.4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9352 - Proof of Concept

References

https://vuldb.com/vuln/365315
vdb-entrytechnical-description
https://vuldb.com/vuln/365315/cti
signaturepermissions-required
https://vuldb.com/submit/812215
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-i (VulDB User)
VulDB CNA Team
.