CVE-2026-18775 Details
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.
A server-side request forgery (SSRF) vulnerability has been identified in NousResearch Hermes-Agent versions through 0.16.0. The issue arises in the Browser Tooling component, specifically within the 'browser_snapshot' function of 'tools/browser_tool.py'. This vulnerability allows an attacker to bypass private network restrictions and access internal or loopback URLs, potentially leading to unauthorized information disclosure.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Aug 4, 2026CISA-ADP
Assessed Aug 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/YLChen-007/2e5bf7fa58113967807425032234cc89 | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-18775 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/856877 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/385785 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/385785/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
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 4, 2026 | CVE Modified | CISA-ADP |
| Aug 4, 2026 | New CVE Received | [email protected] |