NousResearch hermes-agent file_tools.py _check_sensitive_path symlink

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Summary

CVECVE-2026-7397
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-29 19:16:26 UTC
Updated2026-04-29 21:16:21 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 1.9 LOW from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/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

EPSS: 0.000150000 probability, percentile 0.029180000 (date 2026-05-05)

Problem Types: CWE-59 | CWE-61 | CWE-61 Symlink Following | CWE-59 Link Following

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.9LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED4.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED4.4MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary3.2AV:L/AC:L/Au:S/C:N/I:P/A:P
2.0CNADECLARED3.2AV:L/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/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 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

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

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA NousResearch Hermes-agent affected 0.8.0 Not specified
CNA NousResearch Hermes-agent unaffected 0.9.0 Not specified

References

ReferenceSourceLinkTags
github.com/NousResearch/hermes-agent/issues/8734 [email protected] github.com
vuldb.com/vuln/360121 [email protected] vuldb.com
github.com/NousResearch/hermes-agent/commit/311dac197145e19e07df68feba2c... [email protected] github.com
vuldb.com/vuln/360121/cti [email protected] vuldb.com
github.com/NousResearch/hermes-agent/releases/tag/v2026.4.13 [email protected] github.com
github.com/NousResearch/hermes-agent [email protected] github.com
github.com/NousResearch/hermes-agent/pull/8829 [email protected] github.com
vuldb.com/submit/803270 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Yu_Bao (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-29T00:00:00.000ZAdvisory disclosed
CNA2026-04-29T02:00:00.000ZVulDB entry created
CNA2026-04-29T12:49:26.000ZVulDB entry last update
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