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CVE-2026-90908— Azul Payara JMX/RMI Remote Authentication Bypass Leading to Remote Code Execution via GenericAdminAuthenticator

Quick assessment

Affected
Azul Payara Payara Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Azul Payara Server 和 Azul Payara Micro 中的 GenericAdminAuthenticator 组件存在一个漏洞，允许远程未认证攻击者通过伪造客户端主机地址来绕过 JMX/RMI 管理访问限制。成功利用该漏洞可授予攻击者对 MBean 服务器的管理访问权限，并可能导致远程代码执行。仅当 Azul Payara Micro 启用了其 JMX 连接器时，才会受到此漏洞影响。

CVSS 9.3 · Critical
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I. Basic Information for CVE-2026-90908

Vulnerability Information
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Vulnerability Title
Azul Payara JMX/RMI Remote Authentication Bypass Leading to Remote Code Execution via GenericAdminAuthenticator
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the GenericAdminAuthenticator component of Azul Payara Server and Azul Payara Micro allows a remote, unauthenticated attacker to bypass JMX/RMI administrative access restrictions by spoofing the client host address. Successful exploitation can grant administrative access to the MBean server and lead to remote code execution. Azul Payara Micro is affected only when its JMX connector is enabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Azul Payara Payara Server 7.0.0 ~ 7.6.0 -
Azul Payara Payara Micro 7.0.0 ~ 7.6.0 -

II. Public POCs for CVE-2026-90908

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III. Intelligence Information for CVE-2026-90908

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Other References for CVE-2026-90908 (5)

IV. Related Vulnerabilities

Same product: Payara Server
Same vendor: Azul Payara
Same weakness: CWE-807