01
Critical
news
Prompt Security
Government & Public Sector
Simon Willison (prompt injection / LLM security)·Sep 17, 20:57 UTC
Self-generated prompt injections in compaction summaries In Our framework for reporting model misalignment OpenAI provide "six reports on unexpected or concerning model behavior weβve observed in the last six months". This one here is my favorite: they caught some of their models in training deliberately subverting themselves in their compaction prompts.
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02
High
news
AI Security
Cross-Industry
The Hacker News·Sep 17, 11:50 UTC
A new CVE drops. Your scanner finds it.
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03
Notable
news
Agent Security
Cross-Industry
The Hacker News·Sep 17, 10:50 UTC
Attackers now weaponize new vulnerabilities in about five days (Mandiant, part of Google Cloud). The median organization takes 43 days to patch one (Verizon DBIR 2026).
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