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CVE Vulnerability Details :
CVE-2026-9351
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-24 May, 2026 | 03:15
Updated At-24 May, 2026 | 03:15
Rejected At-
▼CVE Numbering Authority (CNA)
NousResearch hermes-agent read_file Tool file_tools.py _is_blocked_device path traversal

A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.16. This vulnerability affects the function _is_blocked_device of the file tools/file_tools.py of the component read_file Tool. Performing a manipulation results in path traversal. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Products
Vendor
NousResearch
Product
hermes-agent
CPEs
  • cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*
Modules
  • read_file Tool
Versions
Affected
  • 2026.4.0
  • 2026.4.1
  • 2026.4.2
  • 2026.4.3
  • 2026.4.4
  • 2026.4.5
  • 2026.4.6
  • 2026.4.7
  • 2026.4.8
  • 2026.4.9
  • 2026.4.10
  • 2026.4.11
  • 2026.4.12
  • 2026.4.13
  • 2026.4.14
  • 2026.4.15
  • 2026.4.16
Problem Types
TypeCWE IDDescription
CWECWE-22Path Traversal
Type: CWE
CWE ID: CWE-22
Description: Path Traversal
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
3.06.5MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
2.06.4N/A
AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 6.4
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Eric-h (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-23 00:00:00
VulDB entry created2026-05-23 02:00:00
VulDB entry last update2026-05-23 11:24:49
Event: Advisory disclosed
Date: 2026-05-23 00:00:00
Event: VulDB entry created
Date: 2026-05-23 02:00:00
Event: VulDB entry last update
Date: 2026-05-23 11:24:49
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/365314
vdb-entry
technical-description
https://vuldb.com/vuln/365314/cti
signature
permissions-required
https://vuldb.com/submit/812214
third-party-advisory
https://gist.github.com/YLChen-007/1d1aeff404cb88e06ec2fb3377f49fef
exploit
Hyperlink: https://vuldb.com/vuln/365314
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/365314/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/812214
Resource:
third-party-advisory
Hyperlink: https://gist.github.com/YLChen-007/1d1aeff404cb88e06ec2fb3377f49fef
Resource:
exploit
Details not found