Vulnerabilities CVE-2026-79673

CVE-2026-79673

High

Open

TLP:CLEAR

Ech0 before 4.4.3 Scope Bypass via profile:read Token

NVD CVE.org

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Description

Ech0 before 4.4.3 protects the PUT /user endpoint with the profile:read scope, a read-only scope, but allows write operations including password changes. An attacker with an admin's profile:read access token can change the admin's password and login to obtain an unrestricted session token that bypasses all scope enforcement.

Details

CVSS Score: 8.5
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 25, 2026
Last Modified: Aug 25, 2026

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