Oracle Siebel CRM is enterprise software; unauthenticated remote takeover of CRM instances risks widespread data loss/disruption and should be escalated organization-wide.
CVE-2026-83192
Unauthenticated HTTP vulnerability in Oracle Siebel End User (Open UI) enabling takeover.
Is CVE-2026-83192 being exploited?
Not confirmed. CVE-2026-83192 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-2026-83192?
CVE-2026-83192 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-2026-83192?
Yes. A fix has been recorded for CVE-2026-83192. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-83192 affect?
CVE-2026-83192 affects Oracle Siebel CRM End User (Open UI) versions 17.0-26.7. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83192?
Apply Oracle security update immediately; restrict HTTP access and monitor logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can take over Siebel CRM End User via HTTP, enabling data theft, data tampering and service disruption.
Immediate action required
- affected>= 17.0 and <= 26.7
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.