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[NEW] [high] Mitel MiCollab: Vulnerability allows code execution

high
A remote, anonymous attacker can exploit a vulnerability in Mitel MiCollab to execute arbitrary code.

CSIRTS triage

vendor: Mitelproduct: MiCollabRemote code execution
What
A remote, anonymous attacker can exploit a vulnerability in Mitel MiCollab to execute arbitrary code.
Who is affected
Users and deployments of Mitel MiCollab.
Urgency
Remediation is high urgency due to the potential for remote code execution.
Action
Update to the latest version of Mitel MiCollab to address this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-07-23
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2486

Recent advisories for Mitel MiCollab

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories