Safety alignment in large language models relies on behavioral training that can be overridden when sufficiently strong in-context patterns compete with learned refusal behaviors. We introduce Involuntary In-Context Learning (IICL), an attack class that uses abstract operator framing with few-shot examples to force pattern completion that overrides safety training. Through 3479 probes across 10 OpenAI models, we identify the attack's effective components through a seven-experiment ablation study. Key findings: (1)~semantic operator naming achieves 100\,\% bypass rate (50/50, $p < 0.001$); (2)~the attack requires abstract framing, since identical examples in direct question-and-answer format yield 0\,\%; (3)~example ordering matters strongly (interleaved: 76\,\%, harmful-first: 6\,\%); (4)~temperature has no meaningful effect (46--56\,\% across 0.0--1.0). On the HarmBench benchmark, IICL achieves 24.0\,\% bypass $[18.6\%, 30.4\%]$ against GPT-5.4 with detailed 619-word responses, compared to 0.0\,\% for direct queries.

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