CVE-2026-59805 Gumroad < 2026.07.06.2 - Insecure Direct Object Reference in PurchasesController

High 7.1 Published Updated

Authenticated sellers can revoke or restore buyer access to other sellers' products due to missing ownership validation in the PurchasesController.

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

What is CVE-2026-59805?

CVE-2026-59805 is a high-severity missing authorization vulnerability in antiwork gumroad, published on 8 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Gumroad before 2026.07.06.2 contains a broken access control vulnerability in the PurchasesController that allows authenticated sellers to manipulate purchase access for other sellers' products by sending PUT requests to the revoke_access and undo_revoke_access actions without seller ownership validation. Attackers can modify the is_access_revoked status on arbitrary purchases to unauthorized revoke or restore buyer access to products they do not own.

Weakness: CWE-862

Which versions are affected by CVE-2026-59805?

How do I fix CVE-2026-59805?

No fix has been published for CVE-2026-59805 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-59805 being exploited?

There is no known exploitation of CVE-2026-59805 in the wild and no public exploit code.

Sources

Also known as GHSA-4w48-6p23-843q.

Is CVE-2026-59805 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free