CVE-2026-89251 AVideo Missing Authorization via AD_Server log.php Wallet Credit
Logged-in users can exploit missing authorization in AVideo's ad logging to arbitrarily increase wallet balances for campaign videos without valid ad impressions.
- 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-2026-89251?
CVE-2026-89251 is a high-severity missing authorization vulnerability in WWBN AVideo, published on 11 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate ad impressions in plugin/AD_Server/log.php, allowing logged-in users to submit arbitrary label values that trigger unverified wallet credits to campaign video owners. Attackers can repeatedly POST label=start requests to mint YPTWallet balance for any campaign video without proof an ad actually played.
Weakness: CWE-345
Which versions are affected by CVE-2026-89251?
How do I fix CVE-2026-89251?
No fix has been published for CVE-2026-89251 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-2026-89251 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-89251 exists.
Sources
Also known as GHSA-2f9f-v5qc-xhg6, GHSA-cwrf-q9jv-44px.