CVE-2026-18775

MEDIUM 6.3

NousResearch hermes-agent Browser Tooling browser_tool.py browser_snapshot server-side request forgery

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	nousresearch
Product	hermes-agent
Published	Aug 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

NousResearch / hermes-agent

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.10 0.11 0.12 0.13 0.14 0.15 0.16.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/385785 vuldb.com: https://vuldb.com/vuln/385785/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18775 vuldb.com: https://vuldb.com/submit/856877 gist.github.com: https://gist.github.com/YLChen-007/2e5bf7fa58113967807425032234cc89

Credits

🔍 Eric-y (VulDB User) VulDB CNA Team