CVE-2026-93635
Zimbra Collaboration Suite LDAP Filter Injection via Unescaped computeDn() Template Substitution
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 14, 2026
- Updated
- Oct 16, 2026
- Reserved
- Sep 18, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | rapid7 |
Weaknesses
- CWE-90 Improper neutralization of special elements used in an LDAP query ('LDAP injection')
Affected Products
| Product | Versions |
|---|---|
Zimbra Collaboration SuiteZimbra |
|
References
- https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1third-party-advisory
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