# CVE-2026-85451

## Summary

- **CVE ID:** CVE-2026-85451
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-798
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 4, 2026

## 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 (0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.22%
- **EPSS Percentile:** 12.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._