hermes-agent CVE-2026-85106

Q: What is the CVSS score of CVE-2026-85106?

CVE-2026-85106 has a CVSS 4.0 base score of 5.3 (Medium). 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:X/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.

EUVD-2026-70413 MEDIUM

Server-Side Request Forgery (SSRF) (CWE-918)

2026-09-03 VulDB

GHSA-prhp-jh7c-82qx

SSRF Hermes Agent

5.3

CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY

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:X/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

vuln.today AI

5.4 MEDIUM

Network-reachable SSRF requiring authentication (PR:L); limited confidentiality and integrity impact from proxied requests; no direct availability impact on the vulnerable system itself.

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

4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Sep 03, 2026 - 12:21 vuln.today

DescriptionCVE.org

A vulnerability has been found in NousResearch hermes-agent 0.18.0. This affects the function fetchLinkTitle of the file apps/desktop/src/app/artifacts/index.tsx of the component Link Title Fetch. Such manipulation of the argument url leads to server-side request forgery. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Server-side request forgery in NousResearch hermes-agent 0.18.0 allows authenticated remote attackers to issue arbitrary HTTP requests from the application server by supplying a crafted URL to the fetchLinkTitle function in the Link Title Fetch component (apps/desktop/src/app/artifacts/index.tsx). The CVSS 4.0 vector (PR:L, VC:L/VI:L/VA:L) indicates limited but real impact: an attacker with valid credentials could probe internal network services, cloud metadata endpoints, or otherwise unreachable hosts. …

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Vulnerability AssessmentAI

Exploitation	Exploitation requires an authenticated session (CVSS PR:L) - the attacker must hold a valid low-privilege user account in hermes-agent. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	The CVSS 4.0 score of 5.3 (Medium) reflects a meaningful but limited threat surface: network-accessible, low complexity, low privilege required, and limited impact across all three impact dimensions. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation	No vendor-released patch has been identified at time of analysis, and the vendor did not respond to coordinated disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.