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Cryptography & Security
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1,372 papers, from 4 September 2026 to 5 November 2026: 1,372 arXiv preprints.
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Newest papers, page 40
ABSENTIA: Detecting Broken Access Control Vulnerabilities in Web Applications
Broken access control, the failure of authorization, is one of the most prevalent web security risks.Device-Independent Conference Keys from Parity-Extended Games
Device-independent conference key agreement (DI-CKA) lets a group of parties establish a shared secret key from untrusted quantum devices, with security certified by non-locality.MOMAT: Mixture of Multiple Atlases for Low-Power Jailbreak Defense of Quantized LLMs
Quantized large language models are increasingly deployed on edge devices for their low latency and energy efficiency.Safety Must Survive Self-Improvement: Why Failures Persist and How Agents Recover
Recursive self-improvement (RSI) allows agents to carry useful changes across generations.Jev-IDS: System One Models for Network Intrusion Detection
Machine-learning Network Intrusion Detection Systems (IDS) depend on substantial labeled datasets and task-specific training, whereas Large Language Models (LLMs) detection can analyze flow records…ReCast: Contract-Preserving Protection for Fixed-Interface Multimodal Reasoning
Remote multimodal models offer strong numerical reasoning capabilities over charts and speech, but sending private inputs risks exposing sensitive content.A Systematization of Knowledge on DeFi Vaults: Architectures, Curation Mechanisms, and Strategy Design
Decentralized finance (DeFi) vaults are smart-contract-based asset management systems that pool deposits, execute programmable strategies, and mint tokenized shares representing claims on underlying…PACE: Provenance-Aware Capability Enforcement for Tool-Using LLM Agents
Tool-using large language model (LLM) agents turn generated text into real side effects, so poisoned tool metadata, retrieved pages, memory, and reusable skills can steer the next call.Is it Possible to Generate Irreversible PolyProtected Templates from Face Embeddings using System-Specific Keys?
This work aims to answer the question of whether it is possible to generate irreversible protected templates when the PolyProtect biometric template protection method is applied to face embeddings…Robust and leakage-resilient device-independent oblivious transfer in MiniQCrypt
Assuming post-quantum one-way functions, we construct device-independent (DI) oblivious transfer (OT) and bit commitment: honest parties use only trusted classical computation to operate untrusted…OverAct: Measuring and Mitigating Proactive Over-Authorization in LLM Tool-Calling Agents
LLM agents with tool-calling capabilities can access external services and private user data, but they may retrieve more information than a user's request explicitly requires.False Floors: LLM Safety Routing Evaluations Break Under Distribution Shift
Safety routers send each request to one of several models and are judged against the best single model.Chaining Skills to Hijack LLM Agents
LLM agents use skills to improve performance on specialized tasks.SoK: Decentralized Agent Economic Infrastructure
Decentralized agent economies increasingly build a single task from protocols that were designed and secured separately.The Innocent Courier: Covert Exfiltration Through Legitimate LLM Web Fetching
With the increasing capabilities of Large-Language-Models (LLMs) and LLM-based agents, users are increasingly using them to solve everyday problems, such as answering e-mails or providing…QUFIG: GNN-Based Prediction of Quantum Fault Injection Vulnerabilities with Gate-Level Precision
The growing scale and accessibility of quantum hardware exposed new reliability and security challenges in the quantum computing workflow, such as the run-time fault injection attacks in cloud-based…SAGE: Similarity-Based Cleaning of Poisoned Training Data from Verified Examples
As machine learning increasingly relies on public, untrusted data sources, data poisoning attacks, which inject malicious examples into training data to induce misclassification of a chosen target…Learnt Attacks on Quantum Key Distribution under Channel Noise and Device Drift
Quantum key distribution (QKD) links are provisioned from security analyses of stationary channels, whereas the devices that determine the channel drift between recalibrations.A Safe Prototype Is Not a Safety Direction: Reference Dependence and Prompt Confounds in Response-Safety Embeddings
Can response safety be scored by cosine similarity to the mean embedding of known-safe responses?Trapdoored Clifford Operators and Applications
Random Clifford operators have numerous applications in quantum computing, including randomized benchmarking, classical shadows, and quantum authentication.