Unauthenticated remote takeover of Oracle Siebel CRM Integration (enterprise CRM) with CVSS 9.8 — high-impact, widely used enterprise product requiring org-wide alert.
CVE-2026-62592
Unauthenticated remote takeover of Oracle Siebel CRM Integration (Open Integration).
Is CVE-2026-62592 being exploited?
Not confirmed. CVE-2026-62592 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 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-62592?
CVE-2026-62592 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-2026-62592?
Yes. A fix has been recorded for CVE-2026-62592. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62592 affect?
CVE-2026-62592 affects Oracle Siebel CRM Integration (Open Integration) 25.12-26.6, Siebel CRM server components using Open Integration. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62592?
Restrict HTTP access, apply vendor patch/mitigations when released, deploy WAF and network controls.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated HTTP access allows full takeover of Siebel CRM Integration, enabling data exfiltration, integrity loss, and service disruption.
Immediate action required
- affected>= 25.12 and <= 26.6
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.