CVE-2026-34746: Payload has Authenticated SSRF via Upload Functionality

April 1, 2026 (updated April 6, 2026)

An authenticated Server-Side Request Forgery (SSRF) vulnerability existed in the upload functionality.

Authenticated users with create or update access to an upload-enabled collection could cause the server to make outbound HTTP requests to arbitrary URLs.

Consumers are affected if ALL of these are true:

Payload version < v3.79.1
At least one collection with upload enabled
An authenticated user has create or update access to that collection

References

github.com/advisories/GHSA-6r7f-q7f5-wpx8
github.com/payloadcms/payload
github.com/payloadcms/payload/releases/tag/v3.79.1
github.com/payloadcms/payload/security/advisories/GHSA-6r7f-q7f5-wpx8
nvd.nist.gov/vuln/detail/CVE-2026-34746

Code Behaviors & Features

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