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8.1

Elasticsearch could expose data to attackers

published 5 days ago
Summary

The Elasticsearch version 9.4.4-r1 contains a security weakness that may let unauthorized users view or change stored information. This risk is removed in newer releases of the software. Upgrade Elasticsearch to the latest version as soon as possible to protect your data.

What to do
  • Update cleanstart elasticsearch to version 9.4.4-r1.
Affected software
Ecosystem VendorProductAffected versions
CleanStart cleanstart elasticsearch < 9.4.4-r1
Fix: upgrade to 9.4.4-r1
Original advisory text
Security fix for GHSA-j3rv-43j4-c7qm applied in: elasticsearch 9.4.4-r1
Security vulnerability affects the elasticsearch package. This issue is resolved in later releases. See references for vulnerability details.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
8.1 High
Timeline
Published30 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2026-DS77657 · OSV
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