CVE-2025-26042

MEDIUM EPSS 28.5%
Published Mar 17, 20251y ago · Modified Jun 17, 20262w ago
6.0 CVSS 3.1
Medium
Find Similar
Published Mar 17, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.0
Exploitability
0.5
Impact
5.5
Vector string
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required High
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1333

References 3

  • github.com https://github.com/louislam/uptime-kuma/commit/7a9191761dbef6551c2a0aa6eed5f693ba48d688
  • github.com https://github.com/louislam/uptime-kuma/issues/5574
  • github.com https://github.com/louislam/uptime-kuma/pull/5573

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.