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feat(security): add shell evasion guard #3400

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feat(security): add shell evasion guard #3400

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eaece5f
add shell invasion
Apr 15, 2026
36cfdc4
fix format
Apr 15, 2026
ec61cee
fix format
Apr 15, 2026
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8 changes: 8 additions & 0 deletions src/qwenpaw/security/tool_guard/engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
from .guardians import BaseToolGuardian
from .guardians.file_guardian import FilePathToolGuardian
from .guardians.rule_guardian import RuleBasedToolGuardian
from .guardians.shell_evasion_guardian import ShellEvasionGuardian
from .models import ToolGuardResult

logger = logging.getLogger(__name__)
Expand Down Expand Up @@ -99,6 +100,13 @@ def _default_guardians() -> list[BaseToolGuardian]:
"Failed to initialise RuleBasedToolGuardian: %s",
exc,
)
try:
guardians.append(ShellEvasionGuardian())
except Exception as exc: # pragma: no cover
logger.warning(
"Failed to initialise ShellEvasionGuardian: %s",
exc,
)
return guardians

# ------------------------------------------------------------------
Expand Down
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