When the LLM Is the Attacker''s Hands: CVE-2026-39987 and the Case for Per-Decision Audit Logging
On May 10, 2026, The Hacker News documented an incident where attackers exploited CVE-2026-39987 in Marimo (≤0.20.4) to gain pre-auth RCE inside a victim AWS environment, harvested credentials, and then drove an LLM agent to operate AWS Secrets Manager on their behalf. The LLM was the post-exploitation tool. This article walks the attack path and explains why the per-decision audit log of LLM traffic just acquired forensic and regulatory weight that legacy CloudTrail data lacks.
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