CVE-2025-26042

Published: Mar 17, 2025Modified: Jun 17, 2026Deferred

6.0

Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H

Exploitability: 0.5 / Impact: 5.5

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-1333

Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References (3)

https://github.com/louislam/uptime-kuma/commit/7a9191761dbef6551c2a0aa6eed5f693ba48d688

Source: cve@mitre.org

https://github.com/louislam/uptime-kuma/issues/5574

Source: cve@mitre.org

https://github.com/louislam/uptime-kuma/pull/5573

Source: cve@mitre.org

Timeline

No history available yet.