CVE-2026-18993

MEDIUM 6.3

NousResearch hermes-agent Memory Toolset model_tools.py access control

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in NousResearch hermes-agent up to 0.16.0. Affected by this issue is some unknown functionality of the file hermes-agent/model_tools.py of the component Memory Toolset. The manipulation results in improper access controls. The attack can be executed remotely. The exploit is now public and may be used.

CWE	CWE-284 CWE-266
Vendor	nousresearch
Product	hermes-agent
Published	Aug 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

NousResearch / hermes-agent

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11 0.12 0.13 0.14 0.15 0.16.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/386377 vuldb.com: https://vuldb.com/vuln/386377/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18993 vuldb.com: https://vuldb.com/submit/862610 github.com: https://github.com/NousResearch/hermes-agent/issues/46171 github.com: https://github.com/NousResearch/hermes-agent/pull/46185 github.com: https://github.com/NousResearch/hermes-agent/issues/48181 github.com: https://github.com/NousResearch/hermes-agent/

Credits

🔍 ChenMarry (VulDB User)