F5 Labs threat research

CASI Leaderboard snapshot

RankModel providerModel nameCASI
1AnthropicClaude Sonnet 597.60
2OpenAIGPT-5.495.76
3AnthropicClaude Opus 594.75
4OpenAIGPT-5.294.33
5OpenAIGPT-5.4 Nano93.95

Weekly Threat Bulletin

A weekly overview of top threats, including key indicators, mitigation guidance, and actionable insights, powered by F5 Labs’ analysis and validated by experts.

Vulnerability Trends

A by-the-numbers breakdown from the latest threat intelligence

Sensor Intel Series: Data From September 2026

405

Langflow RCE probes hit F5 honeynet sensors

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99%

increase in Vulnerability Scan attack type Month-over-Month

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6,772

attacks pushed React RCE to September's top spot

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