Moderate severityNVD Advisory· Published Jun 17, 2026· Updated Jun 17, 2026
Hermes Agent < 0.16.0 - Sensitive File Permission Vulnerability in Store Files
CVE-2026-53870
Description
Hermes Agent before 0.16.0 creates response_store.db and webhook_subscriptions.json with world-readable permissions (mode 0o644), exposing conversation history and HMAC secrets to local users. Attackers with local filesystem access can read these files directly to obtain sensitive data including conversation history, tool payloads, prompts, and per-route HMAC secrets.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
hermes-agentPyPI | < 0.16.0 | 0.16.0 |
Affected products
1- Range: <0.16.0
Patches
Vulnerability mechanics
References
7- github.com/NousResearch/hermes-agent/commit/3bace071bfadf2d2bec2ee048471a31ec920e3e8ghsapatchWEB
- github.com/advisories/GHSA-99f9-j8r3-p853ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-53870ghsaADVISORY
- www.vulncheck.com/advisories/hermes-agent-sensitive-file-permission-vulnerability-in-store-filesghsathird-party-advisoryWEB
- github.com/NousResearch/hermes-agent/pull/30917ghsaissue-trackingWEB
- github.com/NousResearch/hermes-agent/pull/31469ghsaissue-trackingWEB
- github.com/NousResearch/hermes-agent/releases/tag/v2026.6.5ghsarelease-notesWEB
News mentions
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