CVE-2026-70716 Missing authorization in Helidon
An unauthenticated attacker can modify or delete critical data in Helidon via HTTP, requiring an upgrade to secure the application.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-70716?
CVE-2026-70716 is a medium-severity missing authorization vulnerability in Oracle Helidon, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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 and 4.0.0-4.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-70716?
It affects 1 product.
Products include Oracle Helidon.
How do I fix CVE-2026-70716?
No fix has been published for CVE-2026-70716 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-70716 being exploited?
There is no known exploitation of CVE-2026-70716 in the wild and no public exploit code.
Other vulnerabilities in Oracle Helidon
Sources
Also known as GHSA-2pj2-hr5m-8xgg.