Quick answers
- Is CVE-2026-101578 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-101578 being exploited in the wild.
- How severe is CVE-2026-101578?
- Medium severity, with a CVSS score of 5.3, published 20 October 2026.
- Which products and versions are affected?
- Oracle Helidon 4.0.0 through 4.5.5.
- Is there a fix for CVE-2026-101578?
- 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-2026-101578 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-101578?
- 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 helidon-security-providers-google-login component contains an easily exploitable authentication bypass that allows unauthenticated attackers with network access to bypass security controls. The vulnerability is reachable over HTTP without requiring user interaction or authentication, resulting in unauthorized read access to Helidon application data. A fix is available in newer versions.
Affected products
- Oracle Helidon 4.0.0 through 4.5.5
Timeline
- 2026-10-20: disclosed