CVE-2026-34746

Payload has Authenticated SSRF via Upload Functionality

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.

Affected

payloadcms · payload

CVSS v3.1 GITHUB

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

EPSS

0.35% chance of exploitation in the next 30 days, 28th percentile

Published

2026-04-01

Updated

2026-04-02

Proof-of-concept exploits (2)

• payloadcms/payload/security/advisories/GHSA-6r7f-q7f5-wpx8
• payloadcms/payload/releases/tag/v3.79.145286★ · 2026-10-16

Security advisories

• advisories/GHSA-6r7f-q7f5-wpx8

References

• CVE Record
• NVD entry

Related

• CVE-2022-27952
• CVE-2023-30843
• CVE-2025-4643
• CVE-2025-4644
• CVE-2026-105804
• CVE-2026-105805