CVE-2026-18774

MEDIUM CVSS 4.0: 2.1 EPSS 0.20%
Updated Aug 12, 2026
Nousresearch
Parameter Value
CVSS 2.1 (MEDIUM)
Type CWE-918 (Server-Side Request Forgery (SSRF))
Vendor Nousresearch
Public PoC No

A flaw has been found in NousResearch hermes-agent up to 0.16.0. This affects the function save_url_image of the file agent/image_gen_provider.py of the component xAI Image Generation Provider. This manipulation causes server-side request forgery.

The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products

nousresearch:hermes-agent