Is CVE-2026-85455 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-85455?

CVE-2026-85455 has a CVSS v3 severity of HIGH (8.2).

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CVE-2026-85455

Description

MOOS core-moos through 10.4.0 contains a buffer over-read vulnerability in CMOOSCommPkt where a four-byte packet triggers out-of-bounds memory access during deserialization. Attackers can open a TCP connection to the MOOSDB port and send a crafted short packet to read memory before authentication.