Server-Side Request Forgery in Payload CMS Affects Upload Functionality
CVE-2026-34746

7.7HIGH

Key Information:

Vendor

Payloadcms

Status
Payload
Vendor
CVE Published:
1 April 2026

What is CVE-2026-34746?

An authentication flaw in the Payload CMS allows authenticated users with create or update permissions on upload-enabled collections to exploit the upload functionality. This vulnerability enables these users to induce the server to execute outbound HTTP requests to potentially malicious URLs. Mitigation has been implemented in the form of a patch available in version 3.79.1, ensuring enhanced security for the affected product.

Affected Version(s)

payload < 3.79.1

References

https://github.com/payloadcms/payload/security/advisories...
x_refsource_CONFIRM
https://github.com/payloadcms/payload/releases/tag/v3.79.1
x_refsource_MISC

CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.