Widely-used enterprise CRM software; unauthenticated remote takeover threatens orgs; high visibility vulnerability.
CVE-2026-46889
Unauthenticated HTTP exploit allows takeover of Siebel CRM Marketing.
Is CVE-2026-46889 being exploited?
Not confirmed. CVE-2026-46889 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 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-46889?
CVE-2026-46889 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-2026-46889?
Yes. A fix has been recorded for CVE-2026-46889. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-46889 affect?
CVE-2026-46889 affects Oracle Siebel CRM Marketing (Marketing component), versions 17.0-26.5. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-46889?
Patch/upgrade to fixed version when available; monitor HTTP traffic
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote takeover via unauthenticated HTTP; attacker gains full control, data exposure, and service disruption.
Immediate action required
- affected>= 17.0 and <= 26.5
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.