CVE-2026-74244 Quay: stripe webhook accepts forged events without signature verification in quay

Medium 5.9 Published 14 Aug 2026 Updated 17 Aug 2026

Unauthenticated attackers can forge Stripe billing events to reset build quotas and trigger unsolicited emails by bypassing signature verification.

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-2026-74244?

CVE-2026-74244 is a medium-severity missing authorization vulnerability in Red Hat OpenShift Update Service, published on 14 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in Red Hat Quay's Stripe billing webhook handler. This vulnerability allows an unauthenticated attacker to forge billing events by sending crafted JSON requests to the `/webhooks/stripe` endpoint without validating the Stripe-Signature header. Successful exploitation can lead to the unauthorized resetting of a namespace's build quota to its maximum and trigger unsolicited billing emails to namespace administrators.

Weakness: CWE-347

Which versions are affected by CVE-2026-74244?

It affects 2 products.

Products include Redhat Openshift Update Service, Redhat Quay.

How do I fix CVE-2026-74244?

No fix has been published for CVE-2026-74244 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-2026-74244 being exploited?

There is no known exploitation of CVE-2026-74244 in the wild and no public exploit code.

Sources

Also known as GHSA-fgq8-mwjv-6335.