Affects widely used Oracle enterprise product (WebCenter Portal); allows remote takeover and cross-product compromise—high disruption potential for organizations.
CVE-2026-73948
Remote takeover bug in Oracle WebCenter Portal (Composer).
Is CVE-2026-73948 being exploited?
Not confirmed. CVE-2026-73948 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.
How severe is CVE-2026-73948?
CVE-2026-73948 is rated Critical with a CVSS score of 9.9. 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-2026-73948?
Not known from our data. No patch reference has been recorded for CVE-2026-73948, 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-2026-73948 affect?
CVE-2026-73948 affects Oracle WebCenter Portal (Composer), Oracle WebCenter Portal 12.2.1.4.0, Oracle WebCenter Portal 14.1.2.0.0, Oracle Fusion Middleware deployments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73948?
Apply vendor patch/mitigations immediately; restrict WebCenter network access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote HTTP attack by low-privilege user can fully compromise WebCenter Portal (C/I/A=High) and may pivot to other Oracle products.
Immediate action required
- affected12.2.1.4.0
- affected14.1.2.0.0
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.