Threats Tagged 'cve-2026-62943'
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Threats Tagged 'cve-2026-62943'
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0 btrbk is a tool for creating snapshots and remote backups of Btrfs subvolumes. From 0.29.0 until 0.32.7, btrbk's ssh_filter_btrbk.sh constructs allow_stream_match with a start anchor but without an end-of-string anchor for the complete command. A user restricted through an authorized_keys forced command can append a trailing pipe command after a valid btrbk command prefix, bypassing the allowlist and executing arbitrary commands with the privileges of the backup-target SSH account. Deployments that do not use ssh_filter_btrbk.sh in authorized_keys are not affected. This issue is fixed in version 0.32.7. Join the discussion | CVE Database V5 | 09/18/2026, 16:24:48 UTC Added: 09/18/2026, 16:32:08 UTC |
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