Affects Oracle E-Business Suite (widely used ERP). Low-privileged remote attacker can access/modify critical application data, posing enterprise-wide impact.
CVE-2026-83455
Low-privilege remote exploit in Oracle Demand Signal Repository allows full data access.
Is CVE-2026-83455 being exploited?
Not confirmed. CVE-2026-83455 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 0.36% probability of exploitation in the next 30 days.
How severe is CVE-2026-83455?
CVE-2026-83455 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-2026-83455?
Yes. A fix has been recorded for CVE-2026-83455. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-83455 affect?
CVE-2026-83455 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-2026-83455?
Restrict HTTP access to the app, isolate affected instances, monitor logs, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote low-priv attacker can read, create, modify, and delete all Demand Signal Repository data (Confidentiality & Integrity high).
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.