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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-6495 Uptime Kuma's Regular Expression in pushdeeer and whapi file Leads to ReDoS Vulnerability Due to Catastrophic Backtracking
Github GHSA Github GHSA GHSA-hx7h-9vf7-5xhg Uptime Kuma's Regular Expression in pushdeeer and whapi file Leads to ReDoS Vulnerability Due to Catastrophic Backtracking
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 19 Mar 2025 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1333
Metrics cvssV3_1

{'score': 6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 17 Mar 2025 18:45:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-03-19T18:29:27.796Z

Reserved: 2025-02-07T00:00:00.000Z

Link: CVE-2025-26042

cve-icon Vulnrichment

Updated: 2025-03-19T15:04:46.178Z

cve-icon NVD

Status : Received

Published: 2025-03-17T19:15:26.587

Modified: 2025-03-19T19:15:46.587

Link: CVE-2025-26042

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T15:26:12Z