CVE-2026-79673

Summary

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.

Affected Software

Weaknesses

• CWE-863: Incorrect Authorization

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/lin-snow/Ech0/security/advisories/GHSA-hm2h-wwwh-g49x
• https://www.vulncheck.com/advisories/ech0-before-scope-bypass-via-profile-read-token

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