CVE-2026-33369
Medium
Description
Zimbra Collaboration (ZCS) 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit this issue by sending a crafted SOAP request that manipulates the LDAP query, allowing retrieval of sensitive directory attributes.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Synacor Zimbra Collaboration Suite
PublishedMar 20, 2026
First seenMar 20, 2026
Weakness typeCWE-20Improper input validation
How to fix
Update
- synacor zimbra_collaboration_suite10.1.16 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| synacor zimbra_collaboration_suite | 10.0.0 ≤ v < 10.1.16 | 10.1.16 |
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