Injection Vulnerability in NousResearch hermes-agent Affecting Remote Memory Scanning
CVE-2026-10223

5.3MEDIUM

Key Information:

Vendor

Nousresearch

Status
Hermes-agent
Vendor
CVE Published:
1 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10223?

A significant injection vulnerability has been identified in NousResearch's hermes-agent, specifically related to the _scan_memory_content function within memory_tool.py. This flaw allows for remote exploitation, enabling attackers to manipulate memory scanning processes. Despite early disclosure efforts to the vendor, no response was received. The exploit code has been publicly released, increasing the risk of attacks targeting systems utilizing this software version.

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-2026-10223 - Proof of Concept

References

https://vuldb.com/vuln/367502
vdb-entrytechnical-description
https://vuldb.com/vuln/367502/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10223
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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-j (VulDB User)
VulDB CNA Team
.