CVE-2026-79665

Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in RequireScopes middleware, allowing logged-in non-admin users to access admin endpoints. Attackers can read system logs, visitor statistics, user emails, and subscribe to live WebSocket logs by sending authenticated session tokens to unprotected endpoints.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/lin-snow/Ech0/security/advisories/GHSA-hmmq-qh6g-6wgh
https://www.vulncheck.com/advisories/ech0-before-authorization-bypass-via-session-tokens
https://github.com/lin-snow/Ech0/security/advisories/GHSA-hmmq-qh6g-6wgh

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-25 12:16

Updated : 2026-08-31 20:50

NVD link : CVE-2026-79665

Mitre link : CVE-2026-79665

CVE.ORG link : CVE-2026-79665

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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