CVE-2026-50090 PUBLISHED

Aqara OAuth redirect_uri validation bypass

Assigner: runZero
Reserved: 03.06.2026 Published: 12.06.2026 Updated: 12.06.2026

The Aqara Cloud OAuth Authorization Endpoint (open-cn.aqara.com/oauth/authorize) is vulnerable to a redirect bypass due to lax controls on domain matching, which is an instance of "CWE-1289: Improper Validation of Unsafe Equivalence in Input" and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N (9.3 Critical).

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS Score: 9.3

Product Status

Vendor Aqara
Product Cloud OAuth Authorization Endpoint
Versions Default: unaffected
  • affected from 2026-04-20 to 0 (excl.)

Credits

  • Sammy Azdoufal finder
  • Tod Beardsley of runZero, Inc. coordinator

References

Problem Types

  • CWE-1289 Improper validation of unsafe equivalence in input CWE