High-severity remote vulnerability in Oracle Siebel CRM Order Management affecting many supported versions; can alter critical order data and disrupt business processes.
CVE-2026-83145
Remote flaw in Oracle Siebel Order Management enabling unauthorized modification of order data.
Is CVE-2026-83145 being exploited?
Not confirmed. CVE-2026-83145 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-2026-83145?
CVE-2026-83145 is rated High with a CVSS score of 8.7. 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-2026-83145?
Not known from our data. No patch reference has been recorded for CVE-2026-83145, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-83145 affect?
CVE-2026-83145 affects Oracle Siebel CRM - Customer Order Management 17.0-26.7. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83145?
Follow Oracle advisory; apply vendor fixes/mitigations, restrict HTTP access, deploy WAF and audit logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote (HTTP) attack by low-privileged user with UI interaction allows create/modify/delete of Siebel order data; scope change to other components possible.
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.