CVE-2026-79673CWE-863broken-access-control

CVE-2026-79673

Medium · published August 25, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
35.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
8.5 · 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
EPSS
0.00427 · 35.9th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-25T16:16Z
References (2)
https://github.com/lin-snow/Ech0/security/advisories/GHSA-hm2h-wwwh-g49x · [email protected]https://www.vulncheck.com/advisories/ech0-before-scope-bypass-via-profile-read-token · [email protected]
EPSS history
Timeline
  • 27 AUG 06:46Z
    EPSS moved — → 0%
    epss
  • 25 AUG 11:33Z
    Ech0 before 4.4.3 Scope Bypass via profile:read Token
    cvelistv5