CVE-2026-85430

MOOS essential-moos through 10.0.1 contains an authentication bypass vulnerability in pShare that accepts UDP datagrams from any source and republishes them with the attacker-claimed identity intact. Attackers can send crafted UDP datagrams to pShare input routes to inject messages into the local MOOS community under spoofed identities, or send malformed datagrams to crash the pShare process.

  • Published Sep 3, 2026
  • CVSS 8.8 high
  • 1.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-85430 at the National Vulnerability Database