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Java CVE-2026-62379

| EUVDEUVD-2026-78354 CRITICAL
Code Injection (CWE-94)
2026-07-24 https://github.com/OpenIdentityPlatform/OpenAM GHSA-wg5r-wc3x-39vc
RCE Java Code Injection
9.8
CVSS 3.1 · Vendor: https://github.com/OpenIdentityPlatform/OpenAM
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Severity by source

Vendor (https://github.com/OpenIdentityPlatform/OpenAM) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (https://github.com/OpenIdentityPlatform/OpenAM) · only source for this CVE.

CVSS VectorVendor: https://github.com/OpenIdentityPlatform/OpenAM

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Source Code Evidence Fetched
Jul 26, 2026 - 11:39 vuln.today
Analysis Generated
Jul 26, 2026 - 11:39 vuln.today
CVE Published
Jul 24, 2026 - 21:11 github-advisory
CRITICAL 9.8

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 56 maven packages depend on org.openidentityplatform.openam:openam-core (52 direct, 4 indirect)

Ecosystem-wide dependent count for version 16.1.2.

DescriptionCVE.org

Summary

A pre-authentication remote code execution vulnerability affects OpenAM. The remote authentication endpoint (/authservice, PLL) accepts an XML element that names an arbitrary Java class, which the server then loads and instantiates without validation. On a default configuration this is reachable without authentication and allows an attacker to run code on the server.

Impact

Unauthenticated remote code execution / full server compromise on any OpenAM instance with default settings.

Affected

All releases up to and including 16.1.1 (the defect predates the Open Identity Platform fork).

Remediation

Upgrade to 16.1.2.

Interim mitigation

  • Require the remote-auth security token by enabling

sunRemoteAuthSecurityEnabled (rejects unauthenticated /authservice calls).

  • Restrict or block external network access to /authservice until patched.

Credit

Vulnerability discovered by Zhixi "Jace" Sun of ASM/VI at TikTok.

AnalysisAI

Remote code execution in OpenAM 16.1.1 and earlier allows unauthenticated attackers to execute arbitrary code via the /authservice endpoint by crafting XML that injects a malicious Java class, leading to full server compromise. The vulnerability, classified as CWE-94 (Code Injection), is rated Critical (CVSS 9.8) and has a publicly available patch. No exploitation in the wild or public exploit code has been confirmed at this time.

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CVE-2026-62379 vulnerability details – vuln.today
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