CVE-2026-34737 AVideo: Arbitrary Stripe Subscription Cancellation via Debug Endpoint and retrieveSubscriptions() Bug
Authenticated users can cancel arbitrary Stripe subscriptions via a debug endpoint due to missing authorization checks and a logic bug.
- 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-2026-34737?
CVE-2026-34737 is a medium-severity missing authorization vulnerability in Wwbn Avideo, published on 31 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
WWBN AVideo is an open source video platform. In versions 26.0 and prior, the StripeYPT plugin includes a test.php debug endpoint that is accessible to any logged-in user, not just administrators. This endpoint processes Stripe webhook-style payloads and triggers subscription operations, including cancellation. Due to a bug in the retrieveSubscriptions() method that cancels subscriptions instead of merely retrieving them, any authenticated user can cancel arbitrary Stripe subscriptions by providing a subscription ID. At time of publication, there are no publicly available patches.
Weakness: CWE-862
Which versions are affected by CVE-2026-34737?
2 open source packages ship an affected version, including wwbn/avideo. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
wwbn/avideo Packagist | All versions to 26.0 | None |
wwbn/avideo Packagist | All versions to 26.0 | None |
Products include Wwbn Avideo.
How do I fix CVE-2026-34737?
No fix has been published for CVE-2026-34737 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-2026-34737 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34737 exists.
Other vulnerabilities in Wwbn Avideo
- CVE-2026-40911 WWBN AVideo YPTSocket WebSocket Broadcast Relay Leads to Unauthenticated Cross-User JavaScript Execution via Client-Side eval() Sinks
- CVE-2026-33478 AVideo Multi-Chain Attack: Unauthenticated Remote Code Execution via Clone Key Disclosure, Database Dump, and Command Injection
- CVE-2022-30534 Command injection in AVideo
- CVE-2022-30547 Path traversal in AVideo
- CVE-2022-32572 Command injection in AVideo
Sources
Also known as GHSA-38rh-4v39-vfxv.