{"id":"CVE-2025-26042","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-26042","generatedAt":"2026-10-28T01:14:16.690Z","title":"Uptime Kuma >== 1.23.0 has a ReDoS vulnerability, specifically when an administrator creates a notification through the web service.","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.","published":"2025-03-17T19:15:27.000Z","lastModified":"2026-06-17T09:01:26.000Z","status":"Deferred","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:H"},"cwe":["CWE-1333"],"affected":[],"epss":{"score":0.00397,"percentile":0.33639,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/louislam/uptime-kuma/commit/7a9191761dbef6551c2a0aa6eed5f693ba48d688","source":"cve@mitre.org"},{"url":"https://github.com/louislam/uptime-kuma/issues/5574","source":"cve@mitre.org"},{"url":"https://github.com/louislam/uptime-kuma/pull/5573","source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-26042","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}