CVE-2025-26042

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CVSS 3.1

6.0 medium

EPSS

<1%p32

Published

Mar 17, 2025 (Mar 17, 2025)

Modified

Jun 17, 2026

Description

Uptime Kuma >== 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through the web service. If a string is provided it triggers catastrophic backtracking in the regular expression, leading to a ReDoS attack.

Weakness: CWE-1333
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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