CVE-2026-4549 mickasmt next-saas-stripe-starter Stripe API open-customer-portal.ts openCustomerPortal authorization
Attackers can bypass authorization in the Stripe customer portal function, potentially accessing unauthorized account features.
- 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-2026-4549?
CVE-2026-4549 is a low-severity authentication bypass vulnerability in mickasmt next-saas-stripe-starter, published on 22 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in mickasmt next-saas-stripe-starter 1.0.0. Affected by this issue is the function openCustomerPortal of the file actions/open-customer-portal.ts of the component Stripe API. This manipulation causes authorization bypass. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitation is known to be difficult.
Which versions are affected by CVE-2026-4549?
How do I fix CVE-2026-4549?
No fix has been published for CVE-2026-4549 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-2026-4549 being exploited?
There is no known exploitation of CVE-2026-4549 in the wild and no public exploit code.
Sources
Also known as GHSA-rccx-mffc-xm8j.