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CVE Watch24 jul 2026

CVE-2026-33439

Open Access Management (OpenAM) is an access management solution. Prior to 16.0.6, OpenIdentityPlatform OpenAM is vulnerable to pre-authenti

CVSS

9.8

Crítico

EPSS

9.3%

p95

KEV

—

Exploit Today

29

0-100

Publicado: 7 abr 2026 · Última mod.: 24 jul 2026 · CWE-502

EPSS · 30d
8.4%EPSS · 30 días9.3%
2026-09-302026-10-28
Descripción técnica

Open Access Management (OpenAM) is an access management solution. Prior to 16.0.6, OpenIdentityPlatform OpenAM is vulnerable to pre-authentication Remote Code Execution (RCE) via unsafe Java deserialization of the jato.clientSession HTTP parameter. This bypasses the WhitelistObjectInputStream mitigation that was applied to the jato.pageSession parameter after CVE-2021-35464. An unauthenticated attacker can achieve arbitrary command execution on the server by sending a crafted serialized Java object as the jato.clientSession GET/POST parameter to any JATO ViewBean endpoint whose JSP contains <jato:form> tags (e.g., the Password Reset pages). This vulnerability is fixed in 16.0.6.

Referencias oficiales
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