PYSEC-2026-2515

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/hermes-agent/PYSEC-2026-2515.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-2515
Aliases
Published
2026-07-13T15:19:11Z
Modified
2026-07-13T16:31:57Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
hermes-agent has a sandbox issue
Details

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

Affected packages

PyPI / hermes-agent

Package

Name
hermes-agent
View open source insights on deps.dev
Purl
pkg:pypi/hermes-agent

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.11.0

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/hermes-agent/PYSEC-2026-2515.yaml"