Is there a public exploit for CVE-2026-101580?

No public exploit for CVE-2026-101580 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-101580?

CVE-2026-101580 scores CVSS 5.8 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.32%.

What does CVE-2026-101580 affect?

CVE-2026-101580 affects Oracle Corporation Helidon.

5.8 Medium

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-jwt).

CVE-2026-101580

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-security-providers-jwt). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).

Assessment

CVSS: 5.8 (v3.1)
Severity: Medium
EPSS: 0.32% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 20 October 2026
Last updated: 6 November 2026
Affected: Oracle Corporation · Helidon
Assigner: oracle

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

At the source

EUVD (ENISA)

References

https://www.oracle.com/security-alerts/cpuoct2026.html

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