Oracle Siebel is a widely used enterprise CRM; an unauthenticated network bug exposing admin data can lead to company-wide data breaches and cross-product impact.
CVE-2026-62586
Unauthenticated HTTP flaw in Oracle Siebel CRM Admin allows full exposure of admin-accessible data.
Is CVE-2026-62586 being exploited?
Not confirmed. CVE-2026-62586 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 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-62586?
CVE-2026-62586 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-2026-62586?
Yes. A fix has been recorded for CVE-2026-62586. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62586 affect?
CVE-2026-62586 affects Oracle Siebel CRM Administration (Data Archival) 25.12-26.6, Siebel CRM. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62586?
Apply vendor patch if released; meanwhile restrict/deny HTTP access to Siebel Admin and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can access/exfiltrate all data reachable via Siebel CRM Administration (confidentiality compromise).
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.