importantSYS.SOURCE: Qubes OS• 2026-08-30T08:51:39Z

QubesOS Dom0 Arbitrary Code Execution Vulnerability via qvm-copy-to-vm Error Handling

#vulnerability #security #code-execution #qubesos

A vulnerability in QubesOS's qvm-copy-to-vm tool allows arbitrary code execution in Dom0 through insufficient filename sanitization, enabling command injection via error reporting. The flaw arises from improper handling of shell meta-characters in filenames during error message generation.

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