CVE-2026-107433 WordPress WP OAuth Server plugin <= 6.4.0 - Broken Access Control vulnerability
Attackers can bypass access controls in the WP OAuth Server plugin to perform unauthorized actions due to missing authorization checks.
- 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-2026-107433?
CVE-2026-107433 is a medium-severity missing authorization vulnerability in miniOrange WP OAuth Server, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in miniOrange WP OAuth Server miniorange-oauth-20-server allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP OAuth Server: from n/a through 6.4.0.
Weakness: CWE-862
Which versions are affected by CVE-2026-107433?
How do I fix CVE-2026-107433?
No fix has been published for CVE-2026-107433 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-2026-107433 being exploited?
There is no known exploitation of CVE-2026-107433 in the wild and no public exploit code.
Sources
Also known as GHSA-4pr8-6xgf-4fvp.