CVE-2026-9366

NousResearch hermes-agent prompt_builder.py _scan_context_content injection

HIGH
7.3
CVSS Score
Published: May 24, 2026 at 08:15 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorHermes Agent

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Severity
HIGH7.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/365329
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/365329/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/812227

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-74CWE-707

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