CVE-2026-82020

MediumCVSS 6.8/10Last modified Sep 8, 2026

Description

Hermes Agent 0.16.0 prior to 0.17.0 contains an improper path restriction vulnerability that allows attackers who can influence ingested message content to overwrite the credential store by bypassing sensitive-path guards that excluded the auth.json file. Attackers can craft malicious messages directing the agent's file-write tooling to overwrite the credential store without triggering any path-based protection, enabling credential tampering or unauthorized access.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-552

Affected software

Vendor	Product	Versions
NousResearch	hermes-agent	>= 0.16.0, < 0.17.0; >= 2026.6.5, < 2026.6.19

References

Timeline

Published: Aug 28, 2026
Last modified: Sep 8, 2026
NVD status: Deferred

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