XML External Entity injection in MiCollab and MiVoice Business Solution Virtual Instance (MiVB SVI) - #VU134876
Published: June 18, 2026
Vulnerability identifier: #VU134876
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to obtain unauthorized access to arbitrary files.
The vulnerability exists due to XML external entity processing in the XML parser of the NuPoint Unified Messaging (NPM) component when parsing XML input. A remote attacker can submit crafted XML containing external entities to obtain unauthorized access to arbitrary files.
Affected software
MiCollab
MiVoice Business Solution Virtual Instance (MiVB SVI)
MiVoice Business Solution Virtual Instance (MiVB SVI)
Remediation
Install security update from vendor's website.
MiCollab - addressed in versions 9.8 SP3 FP2 9.8.3.203, 10.2 SP1 FP2 10.2.1.205
MiVoice Business Solution Virtual Instance (MiVB SVI) - update to 2.1.0.9-4
MiVoice Business Solution Virtual Instance (MiVB SVI) - update to 2.1.0.9-4