Last analyzed Sep 9, 2026

Language Model Security Database

Explore primary-source AI security research, evaluated models, attack techniques, and defensive evidence.

985 research findings · 1119 evaluated models

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Research indexed from arXiv.

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2 entries

Matches every word across titles, descriptions, sources, affected systems, and models.

Incomplete MCP Tool-Call Attack Detection

Published Jul 28, 2026Analyzed Aug 13, 2026Source: arXiv

The MTGuard study evaluates unsafe Model Context Protocol tool calls originating from compromised server data, host-side execution changes, and malicious user-controlled resources. Its hybrid monitor combines pre-execution parameter inspection, behavioral observation, and post-execution result verification across browser-automation and financial-analysis agents.

Hybrid Analysis for Secure MCP Tool Use in LLM Agents

Evaluated models: GPT-5.6 Luna, DeepSeek V4 Flash, DeepSeek V4-Pro

Cross-Site Prompt Injection in Web Agents

Published Jul 9, 2026Analyzed Jul 21, 2026Source: arXiv

The paper defines Cross-Site Prompting (XSP): attacker-controlled text in reviews, posts, seller listings, advertisements, or embeds can be interpreted as instructions by a web agent and steer its browser actions. It evaluates three reproducible WebArena attack templates—Shortcut, Fake Completion, and Ignore Instruction—plus WASP and adaptive stress tests. This is an evaluated agent-security issue and mitigation, not a claimed production CVE.

Prismata: Confining Cross-Site Prompt Injection in Web Agents

Evaluated models: GPT-5.4, GPT-5.4-mini, GPT-5.4 Nano+4 more

GPT-5.4
GPT-5.4-mini
GPT-5.4 Nano
Gemini 3 Flash
GPT-oss 120B
Qwen 3 8B
MiniMax M2.5

Research methodology

Entries summarize publicly available primary-source security research. Model names reflect only systems explicitly evaluated by the cited paper, and measurements are research-reported unless independent verification is stated.

Discovery and publication are separate: new papers enter a candidate queue, then require human review and explicit approval before publication. Updates follow that review process, not a guaranteed daily publishing schedule. “Last analyzed” is the newest analysis date among published entries; it does not mean that all recent research has been covered.