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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History

Mon, 23 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-352
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 23 Mar 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Zimbra
Zimbra collaboration
Vendors & Products Zimbra
Zimbra collaboration

Fri, 20 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
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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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-03-23T13:40:40.502Z

Reserved: 2026-03-19T00:00:00.000Z

Link: CVE-2026-33372

cve-icon Vulnrichment

Updated: 2026-03-23T13:40:16.184Z

cve-icon NVD

Status : Received

Published: 2026-03-20T14:16:16.357

Modified: 2026-03-23T14:16:34.540

Link: CVE-2026-33372

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-23T09:53:35Z

Weaknesses