CVE-2026-18775
NousResearch hermes-agent Browser Tooling browser_tool.py browser_snapshot server-side request forgery
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 4, 2026
- Updated
- Aug 4, 2026
- Reserved
- Aug 4, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | 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 | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-918 Server-Side Request Forgery
Affected Products
| Product | Versions |
|---|---|
hermes-agentNousResearch |
|
References
- VDB-385785 | NousResearch hermes-agent Browser Tooling browser_tool.py browser_snapshot server-side request forgeryvdb-entrytechnical-description
- VDB-385785 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-18775 | CVE Analysis and Reportthird-party-advisory
- Submit #856877 | NousResearch hermes-agent 0.16.0 Exposure of Sensitive Information to an Unauthorized Actor (CWE-200)third-party-advisory
- https://gist.github.com/YLChen-007/2e5bf7fa58113967807425032234cc89exploit
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