Incorrect Default Permissions Affecting hermes-agent package, versions [,0.16.0)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.11% (2nd percentile)

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  • Snyk IDSNYK-PYTHON-HERMESAGENT-17675199
  • published29 Jun 2026
  • disclosed17 Jun 2026
  • creditUnknown

Introduced: 17 Jun 2026

CVE-2026-53870  (opens in a new tab)
CWE-276  (opens in a new tab)

How to fix?

Upgrade hermes-agent to version 0.16.0 or higher.

Overview

hermes-agent is a The self-improving AI agent — creates skills from experience, improves them during use, and runs anywhere

Affected versions of this package are vulnerable to Incorrect Default Permissions due to the creation of response_store.db and webhook_subscriptions.json files with world-readable permissions. An attacker can access sensitive data, such as conversation history, tool payloads, prompts, and HMAC secrets, by reading these files directly if they have local filesystem access.

CVSS Base Scores

version 4.0
version 3.1