CVE-2026-9350 PUBLISHED

NousResearch hermes-agent Batch Runner approval.py check_all_command_guards authorization

Assigner: VulDB
Reserved: 23.05.2026 Published: 24.05.2026 Updated: 24.05.2026

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This affects the function check_all_command_guards of the file tools/approval.py of the component Batch Runner. Such manipulation leads to missing authorization. The attack can be launched 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.

Metrics

CVSS Vector: 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 Score: 6.9

Product Status

Vendor NousResearch
Product hermes-agent
Versions
  • Version 2026.4.0 is affected
  • Version 2026.4.1 is affected
  • Version 2026.4.2 is affected
  • Version 2026.4.3 is affected
  • Version 2026.4.4 is affected
  • Version 2026.4.5 is affected
  • Version 2026.4.6 is affected
  • Version 2026.4.7 is affected
  • Version 2026.4.8 is affected
  • Version 2026.4.9 is affected
  • Version 2026.4.10 is affected
  • Version 2026.4.11 is affected
  • Version 2026.4.12 is affected
  • Version 2026.4.13 is affected
  • Version 2026.4.14 is affected
  • Version 2026.4.15 is affected
  • Version 2026.4.16 is affected

Credits

  • Eric-h (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Missing Authorization CWE
  • Incorrect Authorization CWE