CVE-2026-87974 Asaas Gateway for WooCommerce < 2.7.8 - Unauthenticated Order Payment Bypass via Webhook

Medium 5.3 Published Updated

Unauthenticated attackers can bypass payment verification to mark arbitrary orders as paid in the Asaas Gateway for WooCommerce plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-87974?

CVE-2026-87974 is a medium-severity authentication bypass vulnerability in Unknown Asaas Gateway for WooCommerce, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Asaas Gateway for WooCommerce WordPress plugin before 2.7.8 does not properly authenticate its payment webhook, accepting an empty access token in its default configuration and not verifying that the confirmed payment corresponds to the order it marks paid, allowing unauthenticated attackers to mark arbitrary orders as paid.

Weakness: CWE-287

Which versions are affected by CVE-2026-87974?

How do I fix CVE-2026-87974?

No fix has been published for CVE-2026-87974 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-87974 being exploited?

There is no known exploitation of CVE-2026-87974 in the wild and no public exploit code.

Sources

Also known as GHSA-585c-q7j2-3rfg.

Is CVE-2026-87974 in your software?

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