CVE-2026-86707 Private Feed Key <= 0.1 - Unauthenticated Authentication Bypass via 'feedkey' Parameter
Unauthenticated attackers can bypass authentication in the Private Feed Key WordPress plugin to log in as any user, including administrators.
- 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-2026-86707?
CVE-2026-86707 is a critical authentication bypass vulnerability in Unknown Private Feed Key, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Private Feed Key WordPress plugin through 0.1 does not verify that the key used to authenticate a feed request is one it issued, matching any stored user metadata value instead, which allows unauthenticated attackers to log in as any user, including administrators.
Weakness: CWE-287
Which versions are affected by CVE-2026-86707?
How do I fix CVE-2026-86707?
No fix has been published for CVE-2026-86707 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-2026-86707 being exploited?
There is no known exploitation of CVE-2026-86707 in the wild and no public exploit code.
Sources
Also known as GHSA-3m5h-9m27-j5hm.