CVE-2026-85450 MOOS core-moos through 10.4.0 MOOSDB HTTP Server Resource Exhaustion

High 8.7 Published 3 Sep 2026 Updated 4 Sep 2026

Attackers can exhaust server resources by opening unlimited connections and sending endless headers, causing service unavailability in MOOSDB.

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-2026-85450?

CVE-2026-85450 is a high-severity denial of service vulnerability in themoos core-moos, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

MOOS core-moos through 10.4.0 contains a denial of service vulnerability in the MOOSDB HTTP server that creates unbounded connections and threads without limits. Attackers can open many connections and send endless header data to exhaust server threads and memory, causing service unavailability.

Weakness: CWE-770

Which versions are affected by CVE-2026-85450?

It affects 1 product.

Products include Themoos Core-Moos.

How do I fix CVE-2026-85450?

No fix has been published for CVE-2026-85450 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-2026-85450 being exploited?

There is no known exploitation of CVE-2026-85450 in the wild and no public exploit code.

Sources

Also known as GHSA-w2px-4923-958m.