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CVE-2026-18976

NousResearch hermes-agent disabled_toolsets agent_init.py get_tool_definitions privileges assignment

Published: Aug 6, 2026Updated: Aug 12, 2026 Sources: CVE List NVDCWE-266
6.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 89.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A vulnerability was determined in NousResearch hermes-agent up to 0.16.0. This impacts the function get_tool_definitions of the file agent/agent_init.py of the component disabled_toolsets Handler. This manipulation causes incorrect privilege assignment. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report.

No summary for this CVE yet.

CVSS Vector Breakdown

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

CWE-266

Affected Products

NousResearch
commercialaka hermes-agent
hermes-agentMixed
AI / ML / ai-agent-tooling

Exploitability

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

References

https://github.com/NousResearch/hermes-agent/
github.com
https://github.com/NousResearch/hermes-agent/issues/46171
github.com
https://github.com/NousResearch/hermes-agent/pull/46185
github.com
and 4 more references View all →

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