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pki realm
About this tag
The pki realm tag on WindowsForum.com covers discussions about Elasticsearch's PKI realm authentication mechanism, including security vulnerabilities and fixes. A recent thread highlights CVE-2025-37731, an improper authentication bug in the PKI realm that could allow user impersonation via crafted client certificates. The issue is resolved in Elasticsearch versions 8.19.8, 9.1.8, and 9.2.2, with a CVSS score of 6.8 (Medium). Content under this tag focuses on enterprise IT security, authentication realms, and patch management for Elasticsearch deployments.
Elasticsearch maintainers released a security update (ESA‑2025‑27) on December 15, 2025 that fixes CVE‑2025‑37731 — an Improper Authentication bug in Elasticsearch’s PKI realm that can allow user impersonation when specially crafted client certificates are presented and accepted by the server...