Cyber Resilience

CVE-2026-50087

High

Published: 12 June 2026

Published
12 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS Score 0.0019 9.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-50087 is a high-severity Permissive Cross-domain Security Policy with Untrusted Domains (CWE-942) vulnerability in Runzero (inferred from references). Its CVSS base score is 8.2 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 9.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A02:2025 Security Misconfiguration

EU & UK References

Vulnerability details

The Aqara IAM/SSO gateway (gw-builder.aqara.com) exhibits a cross-origin request sharing vulnerability, which is an instance of "CWE-942: Permissive Cross-domain Policy with Untrusted Domains," and has an estimated CVSS of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N (8.2 High).

CWE(s)
CWE-942

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Permissive CORS on public-facing IAM/SSO gateway directly enables exploitation of the exposed web application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

Runzero
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References