CVE-2026-9366

A vulnerability was found in NousResearch hermes-agent 2026.4.23. The impacted element is the function _scan_context_content of the file agent/prompt_builder.py. The manipulation results in injection. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gist.github.com/YLChen-007/581fd92de5548fbaacb2092e848a75cc
https://vuldb.com/submit/812227
https://vuldb.com/vuln/365329
https://vuldb.com/vuln/365329/cti

Configurations

No configuration.

History

24 May 2026, 09:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-24 09:16

Updated : 2026-05-26 19:50

NVD link : CVE-2026-9366

Mitre link : CVE-2026-9366

CVE.ORG link : CVE-2026-9366

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-707

Improper Neutralization

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