OracleCVE-2026-71164
Helidon: takeover via Imperative Web Server
Critical9.8CVE-2026-71164 · Published Aug 18, 2026 · updated Aug 28, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Helidon Product | >= 3.0.0, <= 3.2.17 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-284
More Oracle advisories
All Oracle| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 18 | Helidon: data tampering via Imperative Web Server | High8.6 | No fix yet |
| Aug 18 | Helidon: data tampering via Imperative Web Server | Critical9.9 | No fix yet |
| Aug 18 | Helidon: data tampering via Imperative Web Server | High8.3 | No fix yet |
| Aug 18 | Helidon: flaw in Imperative Web Server | Medium5.3 | No fix yet |
| Aug 18 | Helidon: data tampering via Imperative Web Server | High7.3 | No fix yet |
| Aug 18 | Helidon: denial of service via Imperative Web Server | High7.5 | No fix yet |