TI-2025-42147 Aliases CVE-2025-68645 GHSA-xc78-3c4g-m5g9

A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra…

CRITICAL 97Exploited in the wildCWE-98Published 2025-12-22 · Updated 2026-02-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-98.

Summary

A Local File Inclusion (LFI) vulnerability exists in the Webmail Classic UI of Zimbra Collaboration (ZCS) 10.0 and 10.1 because of improper handling of user-supplied request parameters in the RestFilter servlet. An unauthenticated remote attacker can craft requests to the /h/rest endpoint to influence internal request dispatching, allowing inclusion of arbitrary files from the WebRoot directory.

Why it matters now

Exploitation Active In CISA KEV since 2026-01-22CISA due date 2026-02-12

EPSS 0.48873 98th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Active
Automatable: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:synacor:zimbra_collaboration_suite::::::::	10.0.0 to before 10.0.18; 10.1.0 to before 10.1.13	Vulnerable	Synacor

cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* Versions 10.0.0 to before 10.0.18; 10.1.0 to before 10.1.13 Vulnerable ·Synacor

Remediation

No fixed version listed by the sources yet.

Timeline

2026-01-22 Added to CISA KEV
2026-10-02 Threatist record created from CVE-2025-68645
2026-10-03 Alias added: GHSA-xc78-3c4g-m5g9

References

Advisory 1

https://wiki.zimbra.com/wiki/Security_Center

Other 1

https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

TI-2024-30554 The postjournal service in Zimbra Collaboration (ZCS) before 8.8.15 Patch 46, 9 before… KEVCVSS 3.1CRITICAL 10.0
TI-2022-19841 An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. KEVCVSS 3.1CRITICAL 9.8
TI-2022-17239 Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that… KEVCVSS 3.1CRITICAL 9.8
TI-2022-10792 Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to… KEVCVSS 3.1CRITICAL 9.8
TI-2020-06312 Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is… KEVCVSS 3.1CRITICAL 9.8
TI-2019-07076 mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an… KEVCVSS 3.1CRITICAL 9.8

See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences