CVE-2026-34746 HIGH

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

Vendor Payloadcms
Product payload
Weakness CWE-918 · SSRF
Published April 1, 2026
Last update April 2, 2026

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

What the vulnerability does

01Description

Payload is a free and open source headless content management system. Prior to version 3.79.1, an authenticated Server-Side Request Forgery (SSRF) vulnerability exists 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. This issue has been patched in version 3.79.1.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 2, 2026 Record updated