Medium severity5.4NVD Advisory· Published Mar 20, 2026· Updated Apr 1, 2026
CVE-2026-33372
CVE-2026-33372
Description
An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A cross-site request forgery (CSRF) vulnerability exists in Zimbra Webmail due to improper validation of CSRF tokens. The application accepts CSRF tokens supplied within the request body instead of requiring them through the expected request header. An attacker can exploit this issue by tricking an authenticated user into submitting a crafted request. This may allow unauthorized actions to be performed on behalf of the victim.
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Affected products
1- cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*Range: >=10.0.0,<10.1.16
Patches
Vulnerability mechanics
References
4- wiki.zimbra.com/wiki/Security_CenternvdVendor AdvisoryRelease Notes
- wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesnvdVendor Advisory
- wiki.zimbra.com/wiki/Zimbra_Releases/10.1.16nvdRelease Notes
- wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_PolicynvdProduct
News mentions
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