CVE-2026-62379— OpenAM: Unauthenticated Remote Code Execution via Class.forName in AuthXMLUtils.createCustomCallback
Quick assessment
Affected
OpenIdentityPlatform OpenAM
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.
开放访问管理（OpenAM）是一种访问管理解决方案。在 16.1.2 版本之前，预认证 /authservice PLL 端点接受一个 CustomCallback XML 元素，其 className 值允许 AuthXMLUtils 加载并实例化任意的 Java 类，而未验证该类是否实现了 DSAMECallbackInterface 接口。默认配置下，该端点无需认证即可访问，攻击者可通过控制类的初始化以及反序列化 Subject 值来执行服务端进程中的代码。即使启用了 sunRemoteAuthSecurit
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-62379
Vulnerability Information
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Vulnerability Title
OpenAM: Unauthenticated Remote Code Execution via Class.forName in AuthXMLUtils.createCustomCallback
Source: CVE Program / CVE List V5
Vulnerability Description
Open Access Management (OpenAM) is an access management solution. Prior to 16.1.2, the pre-authentication /authservice PLL endpoint accepts a CustomCallback XML element whose className value selects an arbitrary Java class for AuthXMLUtils to load and instantiate without verifying that it implements DSAMECallbackInterface. Default configurations expose the endpoint without authentication, allowing attacker-controlled class initialization and unsafe deserialization of a serialized Subject value to execute code in the server process. Enabling sunRemoteAuthSecurityEnabled does not prevent the vulnerable parsing and instantiation because its check occurs later. This issue is fixed in version 16.1.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| OpenIdentityPlatform | OpenAM | < 16.1.2 | - |
|
II. Public POCs for CVE-2026-62379
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-62379 (1)
Vendor Advisories for CVE-2026-62379 (1)
Vendor Pages for CVE-2026-62379 (1)
Same Patch Batch · OpenIdentityPlatform · 2026-09-15 · 18 CVEs total
| CVE-2026-46619 | 9.3 CRITICAL | OpenAM Authentication Bypass via MSISDN LDAP Injection |
| CVE-2026-45052 | 9.3 CRITICAL | OpenAM Pre-auth User Profile Tampering via Anonymous SOAP Authn in Liberty IDPP/Discovery |
| CVE-2026-45051 | 9.2 CRITICAL | OpenAM Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage |
| CVE-2026-62263 | 9.2 CRITICAL | OpenAM: WebAuthn Java deserialization RCE via ObjectInputFilter depth>1 bypass |
| CVE-2026-48717 | 9.1 CRITICAL | OpenAM OAuth Authorization Bypass via PKCE Challenge |
| CVE-2026-45048 | 8.5 HIGH | OpenAM Authenticated Privilege Escalation via Raw Token Disclosure Session RPC |
| CVE-2026-44203 | 8.3 HIGH | OpenAM: Pre-auth Reflected XSS in OAuth2 / OIDC response_mode=form_post via state paramete |
| CVE-2026-45794 | 7.7 HIGH | OpenAM Unsafe Java Deserialization via SNS |
| CVE-2026-47426 | 7.6 HIGH | OpenAM OAuth Client Impersonation via JWKS Resolver Cache |
| CVE-2026-46498 | 7.6 HIGH | OpenAM Arbitrary OAuth Token Minting via Push Registration |
| CVE-2026-47424 | 7.5 HIGH | OpenAM Authenticated RCE via Groovy Sandbox Escape |
| CVE-2026-53660 | 7.4 HIGH | OpenAM Insecure SSO Cookie Initialization |
| CVE-2026-46623 | 7.4 HIGH | OpenAM Account Takeover via Unverified Password Change in OAuth2 Module |
| CVE-2026-41573 | 7.1 HIGH | OpenAM LDAP Injection via `_queryId` Parameter |
| CVE-2026-44793 | 7.0 HIGH | OpenAM: Pre-authentication Reflected XSS in SAML2 Cluster Cookie-Hash-Redirect Path via `F |
| CVE-2026-62280 | 6.1 MEDIUM | OpenAM Reflected XSS in the OAuth2/OIDC `wap` consent page |
| CVE-2026-44202 | 5.3 MEDIUM | OpenAM Authenticated Server-Side Request Forgery (SSRF) via `/sessionservice` |
IV. Related Vulnerabilities
Same product: OpenAM
-
CVE-2026-48717
OpenAM OAuth Authorization Bypass via PKCE Challenge -
CVE-2026-47426
OpenAM OAuth Client Impersonation via JWKS Resolver Cache -
CVE-2026-47424
OpenAM Authenticated RCE via Groovy Sandbox Escape -
CVE-2026-41573
OpenAM LDAP Injection via `_queryId` Parameter -
CVE-2026-62280
OpenAM Reflected XSS in the OAuth2/OIDC `wap` consent page
Same vendor: OpenIdentityPlatform
-
CVE-2026-48717
OpenAM OAuth Authorization Bypass via PKCE Challenge -
CVE-2026-47426
OpenAM OAuth Client Impersonation via JWKS Resolver Cache -
CVE-2026-47424
OpenAM Authenticated RCE via Groovy Sandbox Escape -
CVE-2026-41573
OpenAM LDAP Injection via `_queryId` Parameter -
CVE-2026-62280
OpenAM Reflected XSS in the OAuth2/OIDC `wap` consent page
Same weakness: CWE-94
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CVE-2026-57131
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CVE-2026-77147
Apache Syncope: Groovy Sandbox escape for empty CommandArgs
V. Comments for CVE-2026-62379
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