CVE-2026-93635: Zimbra Collaboration Suite LDAP Filter Injection via Unescaped computeDn() Template Substitution
LDAP filter injection in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to alter external LDAP search filters. On domains using search-filter authentication and lazy provisioning, this creates a password oracle for external directory users. Authenticated S/MIME lookups can also return certificates and identity data for unintended directory entries.
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ATT&CK lookup starting points
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cwe · medium confidence lookup
CWE-90: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
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CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-90 · source CWE mapping
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.