CVE-2025-66698
Auth bypass via crafted HTTP requests to Semantic Machines API endpoints (v5.4.8).
Is CVE-2025-66698 being exploited?
Not confirmed. CVE-2025-66698 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 0.49% probability of exploitation in the next 30 days.
How severe is CVE-2025-66698?
CVE-2025-66698 is rated High with a CVSS score of 8.6. 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-2025-66698?
Not known from our data. No patch reference has been recorded for CVE-2025-66698, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2025-66698 affect?
CVE-2025-66698 affects Semantic Machines v5.4.8 API endpoints. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-66698?
Tighten API auth; restrict endpoints; monitor activity.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypass authentication to API endpoints without credentials; could enable unauthorized actions and data exposure.
Monitor only