CVE-2026-85431
Unauthenticated UDP injection in pMOOSBridge allows remote manipulation of MOOS variables.
Is CVE-2026-85431 being exploited?
Not confirmed. CVE-2026-85431 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.9% probability of exploitation in the next 30 days.
How severe is CVE-2026-85431?
CVE-2026-85431 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-85431?
Yes. A fix has been recorded for CVE-2026-85431. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85431 affect?
CVE-2026-85431 affects essential-moos <= 10.0.1, pMOOSBridge (MOOSUDPLink), Autonomous maritime/robotic systems using MOOS. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85431?
Upgrade to the patched commit/release or block/restrict the UDPListen port immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attacker can send crafted UDP packets to inject arbitrary variables (with spoofed source/community) into MOOS, enabling remote logic manipulation, disruption, or code execution.
Immediate action required
- affected<= 10.0.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.