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OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.
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Title: OpenClaw, Description: OpenClaw anterior a 2026.3.31 contiene una vulnerabilidad de seguimiento de enlaces simbólicos en la carga de archivos tar del sandbox SSH que permite a atacantes remotos escribir archivos arbitrarios. Los atacantes pueden explotar esto al cargar archivos tar que contienen enlaces simbólicos para escapar del sandbox y sobrescribir archivos en el host remoto.
VulnCheck: https://www.vulncheck.com/advisories/openclaw-arbitrary-file-write-via-symlink-following-in-ssh-sandbox-tar-upload Types: Third Party Advisory
New CVE Received from VulnCheck4/27/2026 8:16:25 PM
Action
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Old Value
New Value
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Description
OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.