CVE-2026-18993

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.

CVSS 4.0

2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-25)

CWEs

CWE-266, CWE-284

Published

2026-08-06

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

• https://github.com/NousResearch/hermes-agent/
• https://github.com/NousResearch/hermes-agent/issues/46171
• https://github.com/NousResearch/hermes-agent/issues/48181
• https://github.com/NousResearch/hermes-agent/pull/46185
• https://vuldb.com/cve/CVE-2026-18993

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