# CVE-2026-71152: Oracle Helidon remote code execution

Source: https://junglewise.ai/threats/cve-2026-71152-oracle-helidon-remote-code-execution  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-18. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-71152 · Severity: critical · CVSS 9.8 · Published 2026-08-18

Helidon is a lightweight framework used to build web services and microservices. A critical remote code execution vulnerability in the Imperative Web Server component allows unauthenticated attackers to completely compromise affected systems over the network without authentication, potentially leading to full takeover of the application and data exposure.

Technologies: [Oracle Helidon](https://junglewise.ai/threats/technologies/helidon). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-71152 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-71152 being exploited in the wild.

**How severe is CVE-2026-71152?** Critical severity, with a CVSS score of 9.8, published 18 August 2026.

**Which products and versions are affected?** Oracle Helidon 3.0.0-3.2.17, 4.0.0-4.4.1.

**Is there a fix for CVE-2026-71152?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-71152 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-71152?** Check whether you run Oracle Helidon at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a remote code execution flaw in the Helidon Imperative Web Server component affecting versions 3.0.0 through 3.2.17 and 4.0.0 through 4.4.1. It requires only network access via HTTP and can be exploited without authentication or user interaction. The attack vector is network-based with low complexity, allowing an unauthenticated attacker to achieve complete compromise of confidentiality, integrity, and availability. Patch availability has not been confirmed in the provided advisory.

## Affected products

- Oracle Helidon 3.0.0-3.2.17, 4.0.0-4.4.1

## Timeline

- 2026-08-18: disclosed

## References

- [https://www.oracle.com/security-alerts/cspuaug2026.html](https://www.oracle.com/security-alerts/cspuaug2026.html)

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