Description
A security flaw has been discovered in NousResearch hermes-agent 0.8.0. This affects the function _check_sensitive_path of the file tools/file_tools.py. The manipulation results in symlink following. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.9.0 is able to mitigate this issue. The patch is identified as 311dac197145e19e07df68feba2cd55d896a3cd1. Upgrading the affected component is recommended.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
Low
Availability (Vulnerable System)
Low
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
E
Physical
RL
O
RC
Changed
Affected products
- nousresearch / hermes-agent0.8.0 – 0.8.0
- nousresearch / hermes-agent0.9.0 – 0.9.0
References
- MISChttps://vuldb.com/vuln/360121
- MISChttps://vuldb.com/vuln/360121/cti
- MISChttps://vuldb.com/submit/803270
- MISChttps://github.com/NousResearch/hermes-agent/issues/8734
- PATCHhttps://github.com/NousResearch/hermes-agent/pull/8829
- PATCHhttps://github.com/NousResearch/hermes-agent/commit/311dac197145e19e07df68feba2cd55d896a3cd1
- PATCHhttps://github.com/NousResearch/hermes-agent/releases/tag/v2026.4.13
- MISChttps://github.com/NousResearch/hermes-agent/