Brotli bug reaches far beyond Node.js (CVE-2026-111497)

2026-10-27T20:51:39Z•a398dc93287ce048fb326a261bb062703103242738ff3052b2ece7166cbbe2b0
CVE-2026-111497AI securityBrotliCVEMicrosoft TeamsNode.jsSOCagentic AIcompression librarycritical infrastructurecyber resiliencedata breachhealthcareimpersonationmemory corruptionout-of-bounds writeransomwareremote code executionshadow AIsocial engineeringspam bombing

What happened

Help Net Security reports a remotely exploitable out-of-bounds write in the Brotli compression library, tracked as CVE-2026-111497 and affecting Node.js and potentially many other applications that decompress attacker-controlled Brotli data. The feed also covers Teams-based social engineering using inbox flooding, a cyberattack disrupting University of New Mexico hospitals, and broader defensive developments involving AI-agent governance, self-hosted security operations, DNS security, and critical-infrastructure resilience.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
helpnetsecurity
Record identifier
a398dc93287ce048fb326a261bb062703103242738ff3052b2ece7166cbbe2b0
Enrichment time
2026-10-27T20:51:39Z
AI-assisted enrichment
Yes

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