Improper Encoding or Escaping of Output Affecting logstash-9.2-with-output-opensearch package, versions <9.2.3-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-LOGSTASH92WITHOUTPUTOPENSEARCH-16680995
  • published14 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

NewCVE-2026-39826  (opens in a new tab)
CWE-116  (opens in a new tab)

How to fix?

Upgrade Minimos:latest logstash-9.2-with-output-opensearch to version 9.2.3-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream logstash-9.2-with-output-opensearch package and not the logstash-9.2-with-output-opensearch package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the <script> block.

CVSS Base Scores

version 3.1