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OpenAM Authentication Bypass via MSISDN LDAP Injection

CVSS 4.0 9.3 CRITICALCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-46619

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-46619

Published

OpenAM

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "OpenIdentityPlatform",
                    "product": "OpenAM",
                    "versions": [
                        {
                            "version": "< 16.1.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 13 Nov 14:14 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current