WID-SEC-W-2026-1735

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Synacor Zimbra: Mehrere Schwachstellen

view advisory published 2026-05-28

Ein Angreifer kann mehrere Schwachstellen in Synacor Zimbra ausnutzen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen, und um Sicherheitsvorkehrungen zu umgehen.

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describes (6)

Related CVEs.

IDseverity exploitable
CVE-2026-73576USmedium6.5—
In Zimbra Collaboration (ZCS) before 10.1.17, weak cryptographic key generation vulnerability exists in the OnlyOffice integration. The zimbraDocumentEditingJwtSecret is generated…
CVE-2026-73575USlow3.5—
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…
CVE-2026-73574USmedium6.5—
In Zimbra Collaboration before 10.1.17, a local file inclusion (LFI) vulnerability exists in the Zimbra Classic Web Client due to improper validation of the fu request parameter. A…
CVE-2026-73573USmedium6.5—
In Zimbra Collaboration (ZCS) before 10.1.17, a path traversal vulnerability exists in the Zimbra Briefcase document editing functionality due to improper validation of the package…
CVE-2026-73572US——
In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific…
CVE-2026-73571USmedium4.3OT elevated—
An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality. An auth…
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references

External citations — patches, advisories, analysis.

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