What’s Vulnerable › Vulnerabilities

CVE-2026-18774: NousResearch hermes-agent xAI Image Generation Provider image_gen_provider.py save_url_image server-side request forgery

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-04 · updated 2026-10-24
• Weakness: CWE-918

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.

Affected products

• NousResearch hermes-agent: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+10)

References

• https://gist.github.com/YLChen-007/7c71603a25d84f372f2275dd570e99d4
• https://vuldb.com/cve/CVE-2026-18774
• https://vuldb.com/submit/856875
• https://vuldb.com/vuln/385784
• https://vuldb.com/vuln/385784/cti

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