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# Computer Science > Cryptography and Security
**arXiv:2609.15383** (cs)
[Submitted on 14 Sep 2026]
# Title:Divide, Consult, Conquer: Capability Laundering Through Aligned LLMs
Authors:[Mark Russinovich](https://arxiv.org/search/cs?searchtype=author&query=Russinovich,+M), [Blake Bullwinkel](https://arxiv.org/search/cs?searchtype=author&query=Bullwinkel,+B), [Giorgio Severi](https://arxiv.org/search/cs?searchtype=author&query=Severi,+G), [Cristian Ovadiuc](https://arxiv.org/search/cs?searchtype=author&query=Ovadiuc,+C), [Ahmed Salem](https://arxiv.org/search/cs?searchtype=author&query=Salem,+A)
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> Abstract:Language model safety is typically evaluated one interaction at a time. We show that a weaker, unaligned model can split a harmful task into benign-looking subproblems, consult a stronger aligned model independently on each, and combine the answers locally. We call this attack capability laundering. Unlike a jailbreak, no single response is a harmful task. We measure consultation-aided uplift using tasks that a raw frontier model solves, the aligned frontier refuses, and the unassisted orchestrator fails. We evaluate GPT-5.5, Claude Opus 4.8, and Grok-4.3 as consultants to four local orchestrators on CyBench, BountyBench, and harmful CBRN requests. On CyBench, Gemma-4-31B recovers 8/14 candidates with GPT-5.5 and 7/9 with Opus, compared with 2/21 and 4/15 for Gemma-4-12B. On BountyBench, Gemma-4-31B recovers 3/9 and 2/3 candidates, while Muse-Glimmer-30B recovers none of 22 and 13. For CBRN, we measure uplift across eight steps of a hypothetical bioweapon attack chain and find that consultation raises Gemma-4-31B's mean rubric score from 62.3 to 83.1 on a 100-point rubric scale. These results expose a gap in current defenses: refusing a harmful task does not prevent frontier capabilities from being transferred and composed across many individually permitted interactions.
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| Subjects: | Cryptography and Security (cs.CR); Artificial Intelligence (cs.AI) |
| Cite as: | [arXiv:2609.15383](https://arxiv.org/abs/2609.15383) [cs.CR] |
| | (or [arXiv:2609.15383v1](https://arxiv.org/abs/2609.15383v1) [cs.CR] for this version) |
| | <https://doi.org/10.48550/arXiv.2609.15383> Focus to learn more arXiv-issued DOI via DataCite |
## Submission history
From: Ahmed Salem [[view email](https://arxiv.org/show-email/2955d358/2609.15383)]
**[v1]**
Mon, 14 Sep 2026 11:10:57 UTC (675 KB)
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