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Inefficient Regular Expression Complexity Affecting uptime-kuma-2.4 package, versions *

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.38% (31st percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-UPTIMEKUMA24-18521571
  • published5 Aug 2026
  • disclosed17 Jul 2026
Report a new vulnerability Found a mistake?

Introduced: 17 Jul 2026

NewCVE-2026-52746  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest uptime-kuma-2.4.

NVD Description

Note: Versions mentioned in the description apply only to the upstream uptime-kuma-2.4 package and not the uptime-kuma-2.4 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

JSONata is a JSON query and transformation language. Prior to 2.2.0 and 1.8.9, malicious non-matching inputs to the $toMillis function can cause superlinear backtracking in the ISO-8601 validation regex, leading to denial of service in applications that evaluate user-provided JSONata expressions. This issue is fixed in version 2.2.0 and 1.8.9.