CVE-2026-50875 Missing authorization in n/a
Authenticated attackers can modify or delete other tenants' webhooks due to incorrect access control in the Deck9 Input application.
- 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-2026-50875?
CVE-2026-50875 is a high-severity missing authorization vulnerability in n/a, published on 15 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect access control in the /{form}/webhooks/{webhook} endpoint of Deck9 Input v2.0.1 allows authenticated attackers to arbitrarily modify or delete another tenant's webhook via a crafted request.
Weakness: CWE-284
Which versions are affected by CVE-2026-50875?
How do I fix CVE-2026-50875?
No fix has been published for CVE-2026-50875 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-2026-50875 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-50875 exists.
Sources
Also known as GHSA-42j4-px2f-mhr5.