Improper Authentication in NousResearch Hermes-Agent Affects Credential Pool Synchronization
CVE-2026-10548

4.8MEDIUM

Key Information:

Vendor

Nousresearch

Status
Hermes-agent
Vendor
CVE Published:
2 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10548?

A security vulnerability has been discovered in NousResearch's hermes-agent, specifically affecting the Credential Pool Synchronization component. This flaw arises from the function _sync_anthropic_entry_from_credentials_file within the agent/credential_pool.py file, which allows for improper authentication. Local exploitation of this vulnerability can lead to unauthorized access, thereby jeopardizing the integrity and confidentiality of sensitive credential data. Despite early disclosure attempts to the vendor, no response has been received, indicating a lack of urgency in addressing this critical issue.

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-2026-10548 - Proof of Concept

References

https://vuldb.com/vuln/367645
vdb-entrytechnical-description
https://vuldb.com/vuln/367645/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10548
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
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
.