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AI 安全

SAILS Shows Backdoor Success Depends on the Poisoned Sample Set, While Random Sampling May Underestimate Worst-Case Risk

With the model, clean data, and number of poisoned samples held constant, a new study changed only the composition of the poisoned sample set and saw attack success rates on Llama 3 8B range from 3% to 80%. SAILS trains a set-scoring model using a small number of costly fine-tuning evaluations, then selects high-risk sets from millions of candidate combinations.

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Bolt Forge Trades 50× Agent Credits for Secret-Scrubbed Code-Repair Trajectories

Bolt.new’s research preview runs its website-building agent on open-weight models from GLM, Kimi, and DeepSeek, while providing Arcee AI with prompts, code, and error-repair sequences from users who explicitly opt in for training. The program clearly illustrates a “compute for data” model, but its self-reported 91% benchmark result and secret-scrubbing effectiveness still require external validation.

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T-LoopFormer Lets Each Token Choose Its Own Recurrence Depth and Splits the KV Cache by Loop

The new architecture repeatedly applies a three-layer shared block, allowing a router to decide per token whether to exit early or continue latent reasoning. In experiments with roughly 1 billion parameters, the paper reports better latency and accuracy than a fixed-depth looped Transformer, though the approach has yet to be validated on frontier models or mainstream inference engines.

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Stellar Colosseum Breaks Long Proofs Into Agent Competitions, Reaching 71% on TCS-Bench With Cross-Model Selection

Google Research has unveiled Stellar Colosseum, which manages long-horizon mathematical research through strategy exploration, counterexample attacks, dependency graphs, and hierarchical aggregation. The system scored 71% on the 300-problem TCS-Bench, but the result relies on extensive inference and automated grading and should not be treated as evidence of a model’s independent proving ability.

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Agent-Written Code Drives a 25-Fold Increase in Anthropic’s CI Workload in Six Months, Forcing Its Test Selection Service to Adopt a Stateless Architecture

Anthropic’s test volume increased tenfold, and its test impact analysis service—originally dependent on a single writer process—gradually became unable to keep pace with pull requests. The new version replaces in-process state with horizontally scalable listeners, a journal, and a separate aggregator, but key figures such as cost and the rate of missed test selections remain undisclosed.

AI 安全

OpenMAIC 1.0.2 Fixes DNS Rebinding and Cloud Metadata SSRF, Blocks Classroom Overwrites

OpenMAIC’s media proxy previously resolved DNS again after validating a domain, allowing an external hostname to point to an internal network at connection time; another path permitted access to an Alibaba Cloud metadata address. Version 1.0.2 now connects using a pinned resolution result and generates classroom IDs server-side, but the changes may affect deployments that access local models over CGNAT ranges used by Tailscale and similar services.