What: Complete replacement of sed command validation with sophisticated parsing that blocks dangerous operations How to use:
# 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 exploitsDetails:
- Prevents sed commands from writing to files or executing shell commands
- Parses actual sed expressions instead of using regex patterns
- Detects and blocks write operations (
w), execute operations (e), and dangerous flags - Evidence:
P1B() at line 379595,mS6() at line 379676,hS6() at line 379611,gS6() at line 379638