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2.19.7

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OpenSearch·Oct 20, 2026, 10:16 PMFixSecurity-relevantAI-assisted summary

Summary

Added configurable limits to prevent resource exhaustion (hot threads snapshots max, query nesting depth, determinized states cap, WLM node threshold validation).
Fixed security‑related bugs including unbounded recursion, scroll ID OOM, base‑path traversal, and unsupported zstd handling in transports.
Updated core dependencies and bundled JDK (Jackson, Log4j, Bouncy Castle, Netty, JDK 21).

featurebugfixsecurityminorsource healthy

Official source Last checked Oct 22, 2026, 4:00 AM

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AI-assisted summarysource healthyLast checked Oct 22, 2026, 4:00 AM

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