Incorrect Regular Expression Affecting opensearch-dashboards-2 package, versions <2.19.6-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.24% (16th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-OPENSEARCHDASHBOARDS2-17874131
  • published7 Jul 2026
  • disclosed28 May 2026

Introduced: 28 May 2026

CVE-2026-47674  (opens in a new tab)
CWE-185  (opens in a new tab)
CWE-1289  (opens in a new tab)

How to fix?

Upgrade Minimos:latest opensearch-dashboards-2 to version 2.19.6-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opensearch-dashboards-2 package and not the opensearch-dashboards-2 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21, the ip-restriction middleware (hono/ip-restriction) compares incoming IP addresses against configured deny and allow rules using string equality after partial normalization. Non-canonical IPv6 representations of an address already listed in a static rule — such as compressed forms, explicit-zero forms, or hex-notation IPv4-mapped addresses — do not match the normalized rule entry, causing the rule to be silently skipped. This vulnerability is fixed in 4.12.21.