CVE-2026-18775

MEDIUMCVSS 6.3/10

Last modified

CVE-2026-18775 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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.

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.

Metrics

CVSS 3.1
6.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0
2.1/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS 3.0
6.3/10

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

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
NousResearchhermes-agent0.1; 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

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-18775?
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.
How severe is CVE-2026-18775?
CVE-2026-18775 has a CVSS score of 6.3/10 (MEDIUM severity).
How do I fix CVE-2026-18775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST