CVE-2026-50086 Aqara unauthenticated AES oracle

Critical 10.0 Published 12 Jun 2026 Updated 12 Jun 2026

Unauthenticated attackers can exploit an AES oracle in the Aqara IAM/SSO gateway to decrypt sensitive data using the platform's signing key.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-50086?

CVE-2026-50086 is a critical vulnerability in Aqara IAM/SSO Gateway, published on 12 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's signing key without authentication. This is an instance of "CWE-306: Missing Authentication for Critical Function" and "CWE-327: Use of a Broken or Risky Cryptographic Algorithm," and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (7.5 High).

Weakness: CWE-327

Which versions are affected by CVE-2026-50086?

It affects 1 product.

Products include Aqara Iam\/Sso Gateway.

How do I fix CVE-2026-50086?

No fix has been published for CVE-2026-50086 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-50086 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-50086 exists.

Sources

Also known as GHSA-3897-2crh-vgmr.