What’s Vulnerable › Vulnerabilities

CVE-2026-85451: MOOS core-moos through 10.4.0 Remote Process Termination via Hard-Coded Multicast Passphrase

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-03 · updated 2026-10-14
• Weakness: CWE-798

Description

MOOS core-moos through 10.4.0 contains a remote process termination vulnerability in the SuicidalSleeper component that uses a hard-coded passphrase for multicast command authorization. Any multicast-reachable peer can enumerate MOOS processes and send termination commands to trigger process shutdown by exploiting the default multicast group and port with the known passphrase.

Affected products

• themoos core-moos: before 10.4.0 — fixed in 10.4.0

How to fix

Upgrade to a fixed version: themoos core-moos 10.4.0. Check the vendor advisory for mitigations.

References

• https://github.com/themoos/core-moos
• https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/SuicidalSleeper.cpp#L45
• https://github.com/themoos/core-moos/commit/488806a07db9f21eea124f48a9c0392f058f01dc
• https://github.com/themoos/core-moos/pull/85
• https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-remote-process-termination-via-hard-coded-multicast-passphrase

Get alerted when CVE-2026-85451 or the next vulnerability affects your stack