Oracle Hyperion is widely used enterprise financial software; an unauthenticated remote takeover can disrupt finance operations and lead to major data loss.
CVE-2026-70817
Unauthenticated remote takeover of Oracle Hyperion Financial Management
Is CVE-2026-70817 being exploited?
Not confirmed. CVE-2026-70817 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 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-70817?
CVE-2026-70817 is rated Critical with a CVSS score of 9.8. 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-2026-70817?
Yes. A fix has been recorded for CVE-2026-70817. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-70817 affect?
CVE-2026-70817 affects Oracle Hyperion Financial Management 11.2.25.0.000, Oracle Hyperion (Security component). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-70817?
Isolate Hyperion from internet, block HTTP, apply vendor patch immediately when available, monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can remotely fully compromise Hyperion over HTTP, enabling data theft, integrity loss, and service outage.
Immediate action required
- affected11.2.25.0.000
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.