Security Advisory

CVE-2026-76827

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-19 20:56:17

Last updated 2026-08-21 16:49:26

Assigner redhat

CVSS score 6.8

State PUBLISHED

Description

A flaw was found in search-indexer. This vulnerability allows a registered and authenticated managed cluster to tamper with or delete another cluster's indexed search data. This is possible because the delta-sync write paths in search-indexer do not properly restrict UPDATE/DELETE operations to data owned by the calling cluster. An attacker could exploit this by crafting specific user identifiers (UIDs) with a different cluster's prefix.

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