CVE-2026-85428 MOOS core-moos through 10.4.0 MOOSDB HTTP Server Unauthenticated Variable Write

Critical 9.3 Published 3 Sep 2026 Updated 14 Sep 2026

Unauthenticated attackers can modify MOOS variables, including actuator commands, via the optional HTTP server, requiring attention from robotics and autonomous system operators.

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-2026-85428?

CVE-2026-85428 is a critical authentication bypass 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 an authentication bypass vulnerability in the optional MOOSDB HTTP server that allows unauthenticated clients to write variables. Attackers can send HTTP requests with variable names and values to the MOOSDB HTTP server port to modify MOOS variables including actuator and override commands without authentication.

Weakness: CWE-306

Which versions are affected by CVE-2026-85428?

It affects 1 product.

Products include Themoos Core-Moos.

How do I fix CVE-2026-85428?

No fix has been published for CVE-2026-85428 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-2026-85428 being exploited?

There is no known exploitation of CVE-2026-85428 in the wild and no public exploit code.

Sources

Also known as GHSA-2p25-xm7m-9vh5.