CVE-2026-105852: Auth Bypass

Description

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, querying a readable collection with a relationship to another collection can expose information about related documents protected by access.read where constraints. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

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Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://github.com/payloadcms/payload/commit/94059cf4bc6170ce88453015c0c6551329ae3982 https://github.com/payloadcms/payload/releases/tag/v3.90.0 https://github.com/payloadcms/payload/security/advisories/GHSA-7c34-32v3-j575

Frequently Asked Questions

What is CVE-2026-105852? +

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, querying a readable collection with a relationship to another collection can expose information about related documents protected by access.read where constraints. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

How do I check if I'm vulnerable to CVE-2026-105852? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-105852