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TI-2026-51664 Aliases CVE-2026-73574GHSA-79qx-wf73-69v4

In Zimbra Collaboration before 10.1.17, a local file inclusion (LFI) vulnerability exists…

Priority LOW 35CWE-669Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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. An unauthenticated attacker can exploit this vulnerability by supplying a crafted path, potentially allowing unauthorized disclosure of protected files, such as WEB-INF/web.xml, within the web application directory. This occurs in the Forward servlet.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00327 25th percentileScored 2026-11-07
Fix Fixed Collaboration (Zimbra): 10.1.17

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ZimbraCollaborationbefore 10.1.1710.1.17Patch availableCNA
  • Collaboration VendorZimbra Affected before 10.1.17 Fixed in 10.1.17 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*before 10.1.17VulnerableSynacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* Versions before 10.1.17 Vulnerable ·Synacor

Remediation

  • Fix · CNA Collaboration (Zimbra) Fixed in 10.1.17

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Zimbra Collaboration 10.1.17

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-51666 In Zimbra Collaboration (ZCS) before 10.1.17, weak cryptographic key generation…Priority LOW 29
    • TI-2026-51663 Path traversal in Zimbra CollaborationPriority LOW 29
    • TI-2026-51662 Cross-site scripting in Zimbra CollaborationPriority LOW 27

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-73574
  2. 2026-10-03 Alias added: GHSA-79qx-wf73-69v4

References

  • TI-2026-51660 OS command injection in Zimbra Collaboration KEVCVSS 3.1HIGH 8.9
  • TI-2025-40820 Cross-site scripting in Zimbra Collaboration KEVCVSS 3.1HIGH 7.2
  • TI-2024-18266 An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. KEVCVSS 3.1MEDIUM 6.1
  • TI-2024-30553 An issue was discovered in Zimbra Collaboration (ZCS) 10.1.x before 10.1.1, 10.0.x before… CVSS 3.1HIGH 8.8
  • TI-2022-13998 Zimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly… CVSS 3.1CRITICAL 9.8
  • TI-2026-63080 Path traversal in Zimbra Collaboration Suite CVSS 3.1CRITICAL 9.8
See all 94 →

Sources