CVE-2026-85443
Remote TCP-based DoS in MOOSDB accept loop allowing connection hang.
Is CVE-2026-85443 being exploited?
Not confirmed. CVE-2026-85443 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-85443?
CVE-2026-85443 is rated High. 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-2026-85443?
Yes. A fix has been recorded for CVE-2026-85443. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85443 affect?
CVE-2026-85443 affects MOOS core-moos <= 10.4.0, MOOSDB, Applications depending on MOOSDB. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85443?
Upgrade to patched core-moos release/commit and restrict access to MOOSDB port.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated TCP connection can block MOOSDB accept thread, preventing all client connections (complete denial of service).
Patch when possible
- affected<= 10.4.0
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.