CVE-2026-34749: Payload has a CSRF Protection Bypass in Authentication Flow

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-01 · updated 2026-10-26
Weakness: CWE-352

Description

Payload is a free and open source headless content management system. Prior to version 3.79.1, a Cross-Site Request Forgery (CSRF) vulnerability exists in the authentication flow. Under certain conditions, the configured CSRF protection could be bypassed, allowing cross-site requests to be made. This issue has been patched in version 3.79.1.

Affected products

payloadcms payload: before 3.79.1 — fixed in 3.79.1

How to fix

Upgrade to a fixed version: payloadcms payload 3.79.1. Check the vendor advisory for mitigations.

References

https://github.com/payloadcms/payload/releases/tag/v3.79.1
https://github.com/payloadcms/payload/security/advisories/GHSA-p6mr-xf3r-ghq4

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