Prompt-injection detectors miss attacks with near-certainty (severity 0.99-1.00) under shifts; standard pooled calibration error fails to detect miscalibration on the attacks themselves.
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Confidently Wrong: Severity-Aware Calibration of Prompt-Injection Detectors under Attack Shift
Prompt-injection detectors miss attacks with near-certainty (severity 0.99-1.00) under shifts; standard pooled calibration error fails to detect miscalibration on the attacks themselves.