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CVE-2026-9368

NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox

Published: May 24, 2026Updated: May 26, 2026 Sources: CVE List NVDCWE-264
NVD MITRE
7.3CVSSHIGH
EPSS Score
0.5%
Top 62.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-264CWE-265

Affected Products

hermes-agentNousResearch
Mixed
AI / ML / ai-agent-tooling
nousresearchcommercialAI / MLaka nousresearch, hermes-agent

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://vuldb.com/vuln/365331
vuldb.com
https://vuldb.com/vuln/365331/cti
vuldb.com
https://vuldb.com/submit/812229
vuldb.com
and 1 more references View all →

Timeline

Published
May 24, 2026
Last Updated
May 26, 2026

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