Analysis
What Is Agent Memory Poisoning? Definition & Examples
Publication date unknown · Discovered nhimg.org
Page published
Publication date unknown · First observed: 1 Nov 2026
Coverage timeline
Single-source analysis — one report is available.
Why it matters
Agent memory poisoning can turn stored context into a persistent source of unsafe behavior, making memory provenance, write controls, and isolation important defensive boundaries.
NHIMG’s glossary entry describes agent memory poisoning: attackers corrupt stored context that an AI agent later reuses, potentially influencing decisions and tool actions across sessions. The reference outlines defensive controls including restricted memory writes, isolation, provenance tracking, and rollback; it does not report a specific incident or new demonstration.