CVE-2026-101590
Vulnerability in the Helidon product of Oracle Fusion Middleware (component…
- Risk score
- 66/100
- CVSS
- 9.1 v3.1
- Exploit chance (30 days)
- 0.4%
- Published
- 20 Oct 2026
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What to know
- What it is
- A vulnerability in Helidon's microprofile-security component allows an unauthenticated attacker to compromise Helidon via HTTP, resulting in unauthorized access to critical data or complete access to all Helidon accessible data.
- Affected
- {'products': ['Helidon'], 'packages': [], 'versions': ['4.0.0-4.5.5']}
- Fix
- Check the linked advisory for the concrete fix.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.1 critical
- Remotely exploitable without logging in
References
Original 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).
Last activity 20 Oct 2026. Patch Forecast updates every hour.