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#Portabase

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Deep Dive

Portabase Master Key Overwrite, Fixed in 1.21.2 (CVE-2026-67449)

An unauthenticated path traversal in Portabase's TUS webhook overwrites the AES-256 master key that protects encrypted backups; fixed in 1.21.2.

Ostorlab Team
Nov 12, 2026