CVE-2026-85455
Unauthenticated remote memory disclosure via short TCP packet to MOOSDB
WAF coverage: Out-of-bounds read.
Also consider: patch
Is CVE-2026-85455 being exploited?
Not confirmed. CVE-2026-85455 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 0.36% probability of exploitation in the next 30 days.
How severe is CVE-2026-85455?
CVE-2026-85455 is rated High with a CVSS score of 8.8. 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-2026-85455?
Yes. A fix has been recorded for CVE-2026-85455. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85455 affect?
CVE-2026-85455 affects MOOS core-moos <= 10.4.0, MOOSDB service, Applications using MOOS comms. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85455?
Update core-moos to fixed commit/release and restrict MOOSDB TCP access
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote, unauthenticated out-of-bounds read via MOOSDB TCP deserialization; attacker can read memory and may crash the 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.