Breaking ONLYOFFICE in 3 steps: OnlyShells vulnerability chain
Original text: “Breaking ONLYOFFICE in 3 steps: OnlyShells vulnerability chain” — BI.ZONE Vulnerability Research team, BI.ZONE (July 21, 2026). Code, CVE metadata, figures and the demonstration video below are reproduced with attribution captions.
Executive Summary
OnlyShells is a chain of five vulnerabilities discovered in ONLYOFFICE Desktop Editors during a fall 2025 security assessment. Chained together,…
https://core-jmp.org/2026/07/onlyoffice-onlyshells-vulnerability-chain/
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