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Mitel MiCollab Path Traversal Vulnerability

Mitel MiCollab contains a path traversal vulnerability that could allow an attacker to gain unauthorized and unauthenticated access. This vulnerability can

Security · HIGH
Source: CISA Known Exploited VulnerabilitiesMay 2, 2026, 4:51 PMSecurityhigh

Full content

Mitel MiCollab contains a path traversal vulnerability that could allow an attacker to gain unauthorized and unauthenticated access. This vulnerability can be chained with CVE-2024-55550, which allows an unauthenticated, remote attacker to read arbitrary files on the server.

Vendor: Mitel

Product: MiCollab

Due date: 2025-01-28

Known ransomware use: Known

Why it matters

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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