CVE-2026-50089: The Aqara IAM/SSO Gateway (gw-builder.aqara.com) provides an open redirect, which is an instance of "CWE-601:

Routine

MEDIUM 6.1DOWNGRADE

CVE-2026-50089 is a medium-severity flaw (CVSS 6.1) affecting iam\/sso gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Aqara IAM/SSO Gateway (gw-builder.aqara.com) provides an open redirect, which is an instance of "CWE-601: URL Redirection to Untrusted Site," with an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (6.1 Medium), which can be used to set up a phishing attack.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-601
Published	2026-06-12
Last modified	2026-10-26

Publisher (CNA): runZero · Vendor: aqara

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-12 16:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

aqara iam\/sso gateway DOWNGRADE

Affected: 2026-04-20

Fixed in: no fixed release known

Safe to downgrade to: a release before 2026-04-20

1. Check installed version

apt-cache policy iamsso-gateway || rpm -q iamsso-gateway || iamsso-gateway --version

2. No fixed release: DOWNGRADE to a release before 2026-04-20 (Debian / Ubuntu)

apt-cache madison iamsso-gateway sudo apt install iamsso-gateway=<VERSION_BEFORE_2026-04-20> sudo apt-mark hold iamsso-gateway

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list iamsso-gateway sudo dnf downgrade iamsso-gateway-<VERSION_BEFORE_2026-04-20> sudo dnf versionlock add iamsso-gateway

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-50089?

iam\/sso gateway: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-50089 being exploited?

CVE-2026-50089 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-50089 affect?

CVE-2026-50089 affects iam\/sso gateway. Severity is medium (CVSS 6.1). The Aqara IAM/SSO Gateway (gw-builder.aqara.com) provides an open redirect, which is an instance of "CWE-601: URL Redirection to Untrusted Site," with an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (6.1 Medium), which can

How urgent is CVE-2026-50089?

Priority 29/100. Public exploit reference

Related CVEs

CVE-2026-50086 CRITICAL 10.0 DOWNGRADE The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's
CVE-2026-50083 CRITICAL 9.1 DOWNGRADE The Aqara IAM/SSO Gateway (gw-builder.aqara.com) used a hardcoded OAuth client credential, which is an instanc
CVE-2026-50087 HIGH 8.2 DOWNGRADE The Aqara IAM/SSO gateway (gw-builder.aqara.com) exhibits a cross-origin request sharing vulnerability, which

References

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