Skip to main content
← All vulnerabilities
CVE-2025-26042GHSA-HX7H-9VF7-5XHG

Uptime Kuma >== 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through the web service.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.0.0-beta.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

  • uptime-kumanpm

    From 1.15.0 · through 1.23.16

  • uptime-kumanpm

    From 2.0.0-beta.0 · fixed in 2.0.0-beta.2

References 3

GitHub · louislam/uptime-kuma