Server-Side Request Forgery (SSRF) in MiCollab and MiVoice Business Solution Virtual Instance (MiVB SVI) - #VU134870
Published: June 18, 2026
Vulnerability identifier: #VU134870
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to leverage connections and permissions available to the host server.
The vulnerability exists due to insufficient restriction of user-provided URLs in the MiCollab Client Service component when processing user-supplied URLs. A remote attacker can submit a crafted URL to leverage connections and permissions available to the host server.
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