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Lunbun LLC Researcher Discovers 7-Zip XZ Flaw

July 20, 2026

Landon Peng of Lunbun LLC reported the CVE-2026-14266 vulnerability to 7-Zip on June 5, 2026. Lunbun LLC is a security research firm.

Discovered from: New 7-Zip Vulnerability CVE-2026-14266 Allows Code Execution via Crafted XZ Archives