MSAL for Python: authentication flaw bypasses access restrictions

A vulnerability has been discovered in MSAL for Python (Microsoft Authentication Library) that allows bypassing access restrictions.

Published 4sem1 sourceImportant

≈ 20sSpeed

The fact

An attacker can gain read and write privileges via the Workflow functionality.

Microsoft recommends an immediate update to secure Python applications using this library.

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Auto-synthesis from 1 media source · identified on June 20, 2026