CVE-2026-9352: Information Disclosure in NousResearch hermes-agent
A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
AI Analysis
Technical Summary
This vulnerability exists in the _make_run_env function of the tools/environments/local.py file within the Messaging Gateway Handler component of NousResearch hermes-agent versions up to 2026.4.23. An attacker can remotely manipulate this function to cause information disclosure. The vulnerability does not require privileges or user interaction. The vendor has not provided a fix or advisory, and no patch links are available. Public exploit code is accessible, increasing the risk of exploitation.
Potential Impact
Successful exploitation of this vulnerability can lead to unauthorized disclosure of information from the affected system. This could potentially expose sensitive data handled by the hermes-agent. The vulnerability is remotely exploitable without authentication, increasing the attack surface. However, there is no indication of privilege escalation, integrity, or availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official fix is available, users should monitor for updates from NousResearch. Until a patch is released, consider restricting network access to the hermes-agent service to trusted sources to reduce exposure.
CVE-2026-9352: Information Disclosure in NousResearch hermes-agent
Description
A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS v4.0
Score 6.9medium
Affected software
pkg:github/nousresearch/hermes-agentRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in the _make_run_env function of the tools/environments/local.py file within the Messaging Gateway Handler component of NousResearch hermes-agent versions up to 2026.4.23. An attacker can remotely manipulate this function to cause information disclosure. The vulnerability does not require privileges or user interaction. The vendor has not provided a fix or advisory, and no patch links are available. Public exploit code is accessible, increasing the risk of exploitation.
Potential Impact
Successful exploitation of this vulnerability can lead to unauthorized disclosure of information from the affected system. This could potentially expose sensitive data handled by the hermes-agent. The vulnerability is remotely exploitable without authentication, increasing the attack surface. However, there is no indication of privilege escalation, integrity, or availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official fix is available, users should monitor for updates from NousResearch. Until a patch is released, consider restricting network access to the hermes-agent service to trusted sources to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-23T09:19:35.674Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a12863109f6977edb02af8f
Added to database: 05/24/2026, 05:01:37 UTC
Last enriched: 06/02/2026, 20:41:55 UTC
Last updated: 07/31/2026, 19:23:00 UTC
Views: 85
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