PYSEC-2026-2511

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/hermes-agent/PYSEC-2026-2511.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-2511
Aliases
Published
2026-07-13T15:46:20.291382Z
Modified
2026-07-13T16:31:56.301521107Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 6.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Hermes Agent creates response_store.db and webhook_subscriptions.json with world-readable permissions (mode 0o644)
Details

Hermes Agent before 0.16.0 creates responsestore.db and webhooksubscriptions.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.

References

Affected packages

PyPI / hermes-agent

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.16.0

Affected versions

0.*
0.13.0
0.14.0
0.15.0
0.15.1
0.15.2

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/hermes-agent/PYSEC-2026-2511.yaml"