Principle 3 Understandable · Guideline 3.3: Input Assistance
3.3.9 Accessible Authentication (Enhanced)
Object or image recognition is not permitted for logging in either.
What this means in practice
The stricter version of 3.3.8: even “select all images with traffic lights” is out.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.