Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server)
Published Aug 18, 2026
9.8
CRITICALCVSS 3.1
EPSS 0.51%
Description
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 1.0.0-1.4.19 and 3.0.0-3.2.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Affected products
-
- Version 1.0.0StatusaffectedConstraints<=1.4.19
- Version 3.0.0StatusaffectedConstraints<=3.2.17
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oracle Corporation | Helidon | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Aug 19, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.51% (0.00508) | 41.14th | v5 (v2026.06.15) |
| Aug 19, 2026 | 0.49% (0.00486) | 39.94th | v5 (v2026.06.15) |
References (1)
- https://www.oracle.com/security-alerts/cspuaug2026.html vendor-advisoryVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.oracle.com/security-alerts/cspuaug2026.html | vendor-advisoryVendor Advisory |
Change history (0)
No recorded changes yet.