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JAILBREAK-RISK

Jailbreak-Risk

2 reports
All LLM Security Agentic AI Industry News Research Supply Chain Prompt Injection First Look: Security Regulatory Jailbreaks Adversarial ML Model Theft Data Poisoning AI Security Tools Security Operations
Tencent Releases Hy3 295B Open-Source Model with 256K Context

Tencent Releases Hy3 295B Open-Source Model with 256K Context

FIRST LOOK ATLAS OWASP MEDIUM Moderate risk · Monitor closely ▲ 5.5 Simon Willison

Tencent has released Hy3, a 295B-parameter Mixture-of-Experts open-source model under Apache 2.0, featuring 256K context length and temporarily available for free inference via OpenRouter. The model's large context window, open weights, and Chinese provenance expand the attack surface for defenders managing LLM supply chains, jailbreak campaigns, and influence operations. Security teams should treat this as another high-capability open-weight model requiring the same scrutiny applied to comparable releases from Mistral or Meta.

GPT-5.4-Cyber Jailbreak and Prompt Injection Risks

GPT-5.4-Cyber Jailbreak and Prompt Injection Risks

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.2 The Hacker News

OpenAI has launched GPT-5.4-Cyber, a cybersecurity-optimised model variant, alongside an expanded Trusted Access for Cyber (TAC) programme targeting authenticated defenders and security teams. While the initiative is framed as a defensive measure, the dual-use nature of a vulnerability-detection model introduces significant risk of adversarial inversion — where threat actors could exploit the same capabilities to discover and weaponise unpatched vulnerabilities at scale. OpenAI acknowledges this risk and states it is iteratively strengthening safeguards against jailbreaks and adversarial prompt injection as access broadens.

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