CVE Feed

    Dashboard / CVE / CVE-2026-93643

    CVE-2026-93643

    When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned save fields to perform path-traversal writes and execute commands as zimbra.

    Published:Sep 25, 2026
    Last Modified:Sep 26, 2026
    EPS:Sep 25, 2026
    EPSS Score:0.0096
    CVSS Score:9.8

    Affected Products

    Vendor
    Zimbra
    Product
    Zimbra Collaboration Suite

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-115786 (CVSS 6.5) — A mailbox quota-accounting vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to c…
    CVE-2026-115785 (CVSS 4.3) — An SMTP command injection vulnerability in the data-source testing functionality of Zimbra Collaboration Suite…
    CVE-2026-93640 (CVSS 7.8) — A local privilege escalation vulnerability in the optional dnscache package of Zimbra Collaboration Suite (ZCS…
    CVE-2026-50057 (CVSS 7.8) — A local privilege escalation vulnerability in the Zimbra Collaboration Suite (ZCS) MTA package allows the Unix…
    CVE-2026-50056 (CVSS 7.8) — A local privilege escalation vulnerability in the zmmailboxdmgr launcher of Zimbra Collaboration Suite (ZCS) a…
    CVE-2026-93639 (CVSS 8.7) — A missing authorization vulnerability in Zimbra Collaboration Suite (ZCS) allows a delegated administrator wit…
    CVE-2026-93638 (CVSS 6.1) — A reflected cross-site scripting vulnerability in the login page of Zimbra Collaboration Suite (ZCS) allows an…
    CVE-2026-93636 (CVSS 4.3) — An LDAP filter injection vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to que…
    CVE-2026-93634 (CVSS 4.3) — A cross-account authorization vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user t…
    CVE-2026-93633 (CVSS 5.4) — A CSS sanitization vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user with Briefca…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High