What’s Vulnerable › Vulnerabilities

CVE-2026-46619: OpenAM Authentication Bypass via MSISDN LDAP Injection

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-15 · updated 2026-09-25
• Weakness: CWE-90

Description

Open Access Management (OpenAM) is an access management solution. Prior to 16.1.1, MSISDNValidation in the MSISDN authentication module concatenates the request-supplied MSISDN value into an LDAP search filter without escaping, while the default empty trusted-gateway list allows all traffic. In a realm where an MSISDN module is enabled in a reachable authentication chain, an unauthenticated remote attacker can inject LDAP filter metacharacters, select an arbitrary matching user, and obtain a normal authenticated OpenAM session without a password. This issue is fixed in version 16.1.1.

Affected products

• OpenIdentityPlatform OpenAM: before 16.1.1

References

• https://github.com/OpenIdentityPlatform/OpenAM/commit/9814d51f578341e012e4def9dc936e00dd1ce913
• https://github.com/OpenIdentityPlatform/OpenAM/releases/tag/16.1.1
• https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-xq73-fvmr-jvmm

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