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CVE-2026-101590

CRITICALCVSS 9.1/10EPSS 0.40%

Last modified

CVE-2026-101590 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security). Supported versions that are affected are 4.0.0-4.5.5. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security). Supported versions that are affected are 4.0.0-4.5.5. Easily exploitable 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 as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Metrics

CVSS 3.1
9.1/10

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

EPSS Probability
0.40%

32.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Oracle CorporationHelidon>= 4.0.0, <= 4.5.5

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-101590?
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-microprofile-security). Supported versions that are affected are 4.0.0-4.5.5. Easily exploitable 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 as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
How severe is CVE-2026-101590?
CVE-2026-101590 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2026-101590?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST