CSRF in Zimbra Collaboration

CVE-2026-73575

In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Collaboration (ZCS) due to insufficient validation of request content types. An at…

Vulnerability class: CSRF (Cross-Site Request Forgery)

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73575?
CVE-2026-73575 is a low-severity vulnerability in Zimbra Collaboration, classified under Cross-Site Request Forgery (CSRF). CVSS score: 3.1/10. Published 2026-08-13.
How severe is CVE-2026-73575?
Low severity. CVSS v3 base score is 3.1 out of 10.