CVE-2026-101580 | Vulnetix

CVE-2026-101580 PUBLISHED CVSS 5.8 MEDIUM

Reported by oracle · Published October 20, 2026

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).

EPSS 0.32% · 24.5th percentile

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
Helidon	Oracle Corporation	4.5.5

Risk scores

CVSS 3.1

5.8

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

EPSS Score

0.32%

24.5th percentile

Affected products

Vendor	Product	Versions
Oracle Corporation	Helidon	4.0.0, 27.0.0
Oracle Corporation	Helidon	4.0.0, 27.0.0
oracle	helidon	4.0.0

Timeline

Oct 20, 2026 CVE Published
Oct 21, 2026 EPSS Score (4 in total, the first dated here)
Oct 21, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-101580
vulnetix vdb fixes CVE-2026-101580

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-101580/fixes/registry"

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References

Oracle Advisory vendor-advisory

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