Enterprise Oracle Siebel CRM vulnerability enabling full data compromise on reachable deployments; impacts business-critical CRM systems used across organizations.
CVE-2026-62595
Adjacent-network unauthenticated flaw in Oracle Siebel CRM Integration allows data tampering.
Is CVE-2026-62595 being exploited?
Not confirmed. CVE-2026-62595 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 0.37% probability of exploitation in the next 30 days.
How severe is CVE-2026-62595?
CVE-2026-62595 is rated High with a CVSS score of 8.1. 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-2026-62595?
Yes. A fix has been recorded for CVE-2026-62595. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62595 affect?
CVE-2026-62595 affects Oracle Siebel CRM Integration (Open Integration) versions 25.12–26.6. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62595?
Isolate Siebel network, restrict access/ACLs, monitor logs, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker on the same physical/adjacent network can create, delete, or modify critical Siebel data and access all accessible CRM data.
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.