Live › vulnerability › CVE-2026-101583
Go to dashboardOracle's Helidon Java framework has a flaw in its helidon-common-mapper component, affecting versions 4.0.0 through 4.5.5 and 27.0.0. A remote unauthenticated attacker sending HTTP requests can create, delete or modify some data and read a subset of data, and can partly crash the service.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Teams running Helidon 4.0.0 through 4.5.5 or 27.0.0 in services that accept HTTP traffic from the network. The sources do not say which Helidon configurations or endpoints use the helidon-common-mapper code path, so the exposure of a given service is unknown. Teams on other Helidon versions are outside the stated range.
No product ranges from the sources yet.
pom.xml or build.gradle) for helidon at 4.0.0 through 4.5.5 or 27.0.0helidon-common-mapper is on the classpath, for example with mvn dependency:treeEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-common-mapper). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Difficult to exploit 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 read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L).
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