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CRITICAL

CVE-2026-85428

CVSS v3

9.8

CRITICAL

EPSS Score

0.8 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

MOOS core-moos through 10.4.0 contains an authentication bypass vulnerability in the optional MOOSDB HTTP server that allows unauthenticated clients to write variables. Attackers can send HTTP requests with variable names and values to the MOOSDB HTTP server port to modify MOOS variables including actuator and override commands without authentication.

Technical details

Published
2026-09-03
Last Modified
2026-09-03

Frequently asked questions

What is CVE-2026-85428?

MOOS core-moos through 10.4.0 contains an authentication bypass vulnerability in the optional MOOSDB HTTP server that allows unauthenticated clients to write variables. Attackers can send HTTP requests with variable names and values to the MOOSDB HTTP server port to modify MOOS variables including actuator and override commands without authentication.

Is CVE-2026-85428 actively exploited?

Active exploitation of CVE-2026-85428 has not been confirmed. Its EPSS score was 0.8% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-85428?

CVE-2026-85428 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-85428 affecting your environment?

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