What’s Vulnerable › Vulnerabilities

CVE-2026-105115: OpenAM before 16.1.3 Unauthenticated Arbitrary Class Instantiation via JAX-RPC Interface

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-03 · updated 2026-10-06
• Weakness: CWE-306

Description

OpenAM before 16.1.3 contains an unauthenticated arbitrary class instantiation vulnerability in the legacy JAX-RPC SOAP interface that allows remote attackers to load classes without authentication. Attackers can send SOAP requests to /jaxrpc/* with an unverified session identifier and a chosen class name, crashing the server, probing the classpath, or potentially reaching code execution via gadget chains.

Affected products

• OpenIdentityPlatform OpenAM: before 16.1.3 — fixed in 16.1.3

How to fix

Upgrade to a fixed version: OpenIdentityPlatform OpenAM 16.1.3. Check the vendor advisory for mitigations.

References

• https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-wxmx-q96f-w4gw
• https://www.vulncheck.com/advisories/openam-before-16.1.3-unauthenticated-arbitrary-class-instantiation-via-jax-rpc-interface

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