01 Record
CVE-2026-101586
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability
MediumPUBLISHEDCNA: oracle
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
02 Description
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 14.9% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-21.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-20 21:21Z8 DAYS AGO
- Last updated
- 2026-10-20 21:21Z8 DAYS AGO
- Reserved
- 2026-09-28
- Assigning CNA
- oracle
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- No CWE assigned
- Data version
- 5.2
- Document digest
- 06fbbb2fe5735d7c40deb75ee287a9cb25005ecbed08a3932ababb7f2b1c6903
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.oracle.comOracle Advisoryhttps://www.oracle.com/security-alerts/cpuoct2026.html