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

Medium 5.4 Published Updated

Attackers can bypass CSRF protection in the authentication flow under certain conditions, allowing unauthorized cross-site requests.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-34749?

CVE-2026-34749 is a medium-severity vulnerability in payloadcms payload, published on 1 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-352

Which versions are affected by CVE-2026-34749?

2 open source packages ship an affected version, including payload. It affects 1 product.

PackageAffectedFixed in
payload npmAll versions3.79.1
payload npmAll versions3.79.1

Products include Payloadcms Payload.

How do I fix CVE-2026-34749?

Upgrade payload to 3.79.1 or later.

Is CVE-2026-34749 being exploited?

There is no known exploitation of CVE-2026-34749 in the wild and no public exploit code.

Sources

Also known as GHSA-p6mr-xf3r-ghq4.

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