CVE-2026-33369 Other in n/a

Medium 4.3 Published Updated

An authenticated attacker can exploit an LDAP injection in Zimbra's SOAP service to retrieve sensitive directory attributes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-33369?

CVE-2026-33369 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, published on 20 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-20

Which versions are affected by CVE-2026-33369?

It affects 1 product.

Products include Synacor Zimbra Collaboration Suite.

How do I fix CVE-2026-33369?

No fix has been published for CVE-2026-33369 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-33369 being exploited?

There is no known exploitation of CVE-2026-33369 in the wild and no public exploit code.

All Synacor Zimbra Collaboration Suite vulnerabilities

Sources

Also known as GHSA-w6g4-rxj3-w5c8.

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