ReportedReported by fewer than three independent publishers, with no official finding.
Protect AI Jailbreak and Prompt Injection Guardrail Evasion
Security researchers at Mindgard discovered that Protect AI's Prompt Injection and Jailbreak classifiers, widely used in AI guardrail systems, can be evaded to allow malicious prompts to bypass safety filters. The vulnerability was disclosed on March 12, 2025.
AII-1001-83957View source β
What happened
Protect AI offers two Prompt Injection and Jailbreak classifiers on HuggingFace designed to detect and prevent prompt injections and jailbreaks in AI applications. Mindgard AI Security demonstrated how an attacker can fully evade or greatly degrade the classification accuracy of these classifiers, enabling prompt injections and jailbreaks to pass through filters to protected AI applications.
Classification
Sources and evidence
This record was researched and written by the Index, based on the following original reporting.