{"version":"1.0.94","anchor":"advanced-sed-command-security","canonical_anchor":"advanced-sed-command-security","heading":"Advanced sed Command Security","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/1.0.94\/e\/advanced-sed-command-security","release_url":"https:\/\/changelogs.core-directive.com\/v\/1.0.94","markdown":"### Advanced sed Command Security\n\n**What:** Complete replacement of sed command validation with sophisticated parsing that blocks dangerous operations **How to use:**\n\n`# Safe sed commands work normally claude \"Use sed to replace text in file.txt\" # Dangerous operations are now blocked: # - File writes (s\/\/\/w, w command) # - Command execution (s\/\/\/e, e command) # - Multiple expression exploits` **Details:**\n\n- Prevents sed commands from writing to files or executing shell commands\n- Parses actual sed expressions instead of using regex patterns\n- Detects and blocks write operations (`w`), execute operations (`e`), and dangerous flags\n- **Evidence**: `P1B() at line 379595`, `mS6() at line 379676`, `hS6() at line 379611`, `gS6() at line 379638`"}