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    CVE-2026-79673

    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.

    Published:Aug 25, 2026
    Last Modified:Aug 26, 2026
    EPS:Aug 25, 2026
    EPSS Score:0.00245
    CVSS Score:6.5

    Affected Products

    Vendor
    Ech0
    Product
    Ech0
    Vendor
    Lin-snow
    Product
    Ech0

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-79668 (CVSS 6.9) — Ech0 before 4.7.3 contains an authentication bypass vulnerability in the PUT /api/echo/like/:id endpoint that …
    CVE-2026-79667 (CVSS 7.2) — Ech0 version 4.3.4 and earlier fails to reliably enforce scoped access token (least-privilege) restrictions on…
    CVE-2026-79666 (CVSS 7.1) — Ech0 before 4.4.3 fails to enforce administrator authorization on dashboard log endpoints, allowing any authen…
    CVE-2026-79665 (CVSS 8.7) — Ech0 before 4.5.1 contains an authorization bypass vulnerability where session tokens skip scope validation in…
    CVE-2026-79664 (CVSS 9.1) — Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers …
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High