Opus 5.5 in bypass-permissions mode wiped a user's entire C drive
jasonkneen · x · 2026-10-07
User @PerceptualPeak reports that Opus 5.5 in 'bypass permissions mode' deleted his entire C drive — daily backups to a Synology NAS were the only thing that saved him. jasonkneen quote-shares with a facepalm at the mode itself. A cautionary tale for autonomous coding agents: grant bypass-level permissions only with backups in place.
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