Quick answers
- Is CVE-2026-101579 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-101579 being exploited in the wild.
- How severe is CVE-2026-101579?
- High severity, with a CVSS score of 7.2, published 20 October 2026.
- Which products and versions are affected?
- Oracle Helidon 3.0.0-3.2.21.
- Is there a fix for CVE-2026-101579?
- 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-2026-101579 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-101579?
- 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
An unauthenticated, easily exploitable vulnerability in the helidon-grpc-server component allows remote attackers to bypass authentication via HTTP/2 network access, resulting in unauthorized read and write access to Helidon-accessible data. The vulnerability affects versions 3.0.0 through 3.2.21. Scope is marked as changed, indicating that successful exploitation may impact systems beyond Helidon itself.
Affected products
- Oracle Helidon 3.0.0-3.2.21
Timeline
- 2026-10-20: disclosed