Vulnerability details
CVE-2026-101590
Oracle Helidon
CVSS 3.1
9.1Critical
Official 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).
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.1Critical | 3.1 | CVEProject cvelistV5 (CNA) (oracle) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Oracle Corporation | Helidon | 4.0.0 ≤ v ≤ 4.5.5 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://www.oracle.com/security-alerts/cpuoct2026.html vendor-advisory
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Details
- Published
- 2026-10-21
- Last updated
- 2026-10-23
- State
- Published
- Assigner (CNA)
- oracle
Exploit prediction (EPSS)
0.42%
Probability of exploitation in 30 days
36.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-306Missing Authentication for Critical Function
- CWE-287Improper Authentication