CVE-2026-73922
Unauthenticated HTTP data access/modification flaw in Oracle Helidon 1.4.19
Is CVE-2026-73922 being exploited?
Not confirmed. CVE-2026-73922 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-73922?
CVE-2026-73922 is rated Critical with a CVSS score of 9.1. 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-2026-73922?
Yes. A fix has been recorded for CVE-2026-73922. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73922 affect?
CVE-2026-73922 affects Oracle Helidon 1.4.19, Oracle Fusion Middleware - Helidon (Imperative Web Server), Services built on Helidon 1.4.19. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73922?
Isolate/block HTTP access to Helidon services and apply vendor patch/update ASAP.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated network attacker can read and modify all Helidon-accessible data via HTTP, enabling data theft and tampering.
Immediate action required
- affected>= 1.0.0 and <= 1.4.18
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.