What’s Vulnerable › Vulnerabilities

CVE-2026-18775: NousResearch hermes-agent Browser Tooling browser_tool.py browser_snapshot server-side request forgery

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% 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 vulnerability has been found in NousResearch hermes-agent up to 0.16.0. This vulnerability affects the function browser_snapshot of the file tools/browser_tool.py of the component Browser Tooling. Such manipulation leads to server-side request forgery. The attack may be launched remotely. The exploit has been disclosed to the public 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-007/2e5bf7fa58113967807425032234cc89
• https://vuldb.com/cve/CVE-2026-18775
• https://vuldb.com/submit/856877
• https://vuldb.com/vuln/385785
• https://vuldb.com/vuln/385785/cti

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