CVE Watch16 sept 2026

CVE-2026-53658

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetU

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 15 sept 2026 · Última mod.: 16 sept 2026 · CWE-90

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters. An unauthenticated attacker with network access to the CA enrollment endpoint can alter the LDAP search before password validation and potentially steer authentication attempts toward a victim account. Deployments that do not use an LDAP backend are unaffected. This issue is fixed in version 1.5.21.

Referencias oficiales

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