CVE-2026-105861: Information Disclosure

Description

Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, authenticated external URL-based upload retrieval can forward authentication data to a redirected destination that was not verified as trusted, potentially exposing a valid session to an unintended recipient. This issue is fixed in version 3.90.0.

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Weakness Type (CWE)

CWE-200 CWE-200

CWE-346 CWE-346

References

Other References

https://github.com/payloadcms/payload/commit/ba5cf6ae20d27a2c15106cb37466419031f86e6d https://github.com/payloadcms/payload/releases/tag/v3.90.0 https://github.com/payloadcms/payload/security/advisories/GHSA-pj5h-5q6c-3pfx

Frequently Asked Questions

What is CVE-2026-105861? +

Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, authenticated external URL-based upload retrieval can forward authentication data to a redirected destination that was not verified as trusted, potentially exposing a valid session to an unintended recipient. This issue is fixed in version 3.90.0.

How do I check if I'm vulnerable to CVE-2026-105861? +

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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