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CVE-2026-18774 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L

CNA: [email protected]CVSS-B:6.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://gist.github.com/YLChen-007/7c71603a25d84f372f2275dd570e99d4	[email protected]	ExploitTechnical Description
https://vuldb.com/cve/CVE-2026-18774	[email protected]	AdvisoryPermission Required
https://vuldb.com/submit/856875	[email protected]	Issue TrackingPermission Required
https://vuldb.com/vuln/385784	[email protected]	AdvisoryPermission Required
https://vuldb.com/vuln/385784/cti	[email protected]	AdvisoryPermission Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

Product	Versions
NousResearch hermes-agent	<= 0.16.0 (semver)
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 5, 2026	CVE Modified	CISA-ADP
Aug 4, 2026	New CVE Received	[email protected]