CVE-2026-86608 WP Recipe Maker 9.8.0 - 10.8.1 - Unauthenticated DoS via Unbounded User Meta Insertion

High 8.2 Published Updated

Unauthenticated attackers can cause denial of service by inserting unlimited data into user metadata via an unprotected REST route.

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-2026-86608?

CVE-2026-86608 is a high-severity denial of service vulnerability in Unknown WP Recipe Maker, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WP Recipe Maker WordPress plugin before 10.8.2 does not have any authorisation check in one of its REST routes, nor does it bound what that route stores, allowing unauthenticated users to write unlimited data into any user's metadata and to permanently prevent that account, including an administrator's, from loading.

Weakness: CWE-400

Which versions are affected by CVE-2026-86608?

How do I fix CVE-2026-86608?

No fix has been published for CVE-2026-86608 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-86608 being exploited?

There is no known exploitation of CVE-2026-86608 in the wild and no public exploit code.

Sources

Also known as GHSA-qqpr-953f-6p7v.

Is CVE-2026-86608 in your software?

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