Affects Oracle E-Business Suite component used widely in enterprises; can disrupt data integrity and availability across business systems.
CVE-2026-83457
Remote HTTP exploit allows data modification and DoS in Oracle Demand Signal Repository.
Is CVE-2026-83457 being exploited?
Not confirmed. CVE-2026-83457 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-2026-83457?
CVE-2026-83457 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-2026-83457?
Yes. A fix has been recorded for CVE-2026-83457. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-83457 affect?
CVE-2026-83457 affects Oracle Demand Signal Repository (Oracle E-Business Suite) 12.2.3-12.2.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83457?
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.
Low-privileged attacker over HTTP can create/modify/delete repository data and cause application hang or repeatable crash (integrity + DoS).
Immediate action required
- affected>= 12.2.3 and <= 12.2.15
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.