CVE-2026-9350

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.

CVSS v4.0

5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.28% chance of exploitation in the next 30 days, 20th percentile

Published

2026-05-24

Updated

2026-05-26

Proof-of-concept exploits (1)

• https://gist.github.com/YLChen-007/22cada4c9060f5123dde6185135ae3ab

References

• CVE Record
• NVD entry

Related

• CVE-2026-9349
• CVE-2026-9351
• CVE-2026-9348
• CVE-2026-9352
• CVE-2026-9347
• CVE-2026-9353