CVE-2026-18775

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.

Overview

State: PUBLISHED
Assigner (CNA): VulDB
CVSS severity: MEDIUM
CVSS score: 5.3 / 10
CVSS vector: 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
Effective score: 5.3 / 10 MEDIUM source: CNA overview
CWE(s): CWE-918
Reserved: 2026-08-04
Published: 2026-08-04 16:15 UTC
Last updated: 2026-08-04 19:51 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/18xxx/CVE-2026-18775.json

Affected products (1)

Vendor	Product	Versions	Platforms
NousResearch	hermes-agent	`0.1` (affected), `0.2` (affected), `0.3` (affected), `0.4` (affected), `0.5` (affected), `0.6` (affected), `0.7` (affected), `0.8` (affected), `0.9` (affected), `0.10` (affected), `0.11` (affected), `0.12` (affected), `0.13` (affected), `0.14` (affected), `0.15` (affected), `0.16.0` (affected)	—

Vendor references (5)

References embedded in the original CVE record by the assigning CNA.

VDB-385785 | NousResearch hermes-agent Browser Tooling browser_tool.py browser_snapshot server-side request forgery vdb-entrytechnical-description
VDB-385785 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-required
CVE-2026-18775 | CVE Analysis and Report third-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-007/2e5bf7fa58113967807425032234cc89 exploit

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-18775.json.

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