Fix authorization bypass in stashContext() by adding pre-flight index permission checks and blocking cross-index terms lookup queries (backport #1760) - #1768
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… permission checks and blocking cross-index terms lookup queries (backport opensearch-project#1760) Signed-off-by: vikhy-aws <191836418+vikhy-aws@users.noreply.github.com>
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August 6, 2026 18:39
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Summary
Backport of #1760 to 2.19.
Fixes authorization bypass vulnerabilities where
stashContext()drops the caller's security context before accessing caller-controlled indices or executing caller-supplied queries.Changes from main
org.opensearch.client.Client,org.opensearch.action.support.master.AcknowledgedResponse)