{"schemaVersion":3,"id":"CVE-2026-14452","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Improper validation of the reset_url parameter of the Setup in-page search in Checkmk <2.5.0p15, <2.4.0p38, <2.3.0p51 and 2.2.0 (EOL) allows an attacker to execute arbitrary script in the session of an authenticated user with Setup access, or to redirect that user to an arbitrary external site, by tricking the user into opening a crafted URL and clicking the Reset button or submitting an empty search.","dates":{"published":"2026-10-16T09:51:30.453Z","modified":"2026-10-16T10:40:17.160Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.6,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.6,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.6,"severity":"high","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00295,"percentile":0.20983,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-16T00:00:00.000Z","score":0.00406,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00295,"percentile":0.20983}],"last30":[{"date":"2026-10-16T00:00:00.000Z","score":0.00406,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00295,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00295,"percentile":0.20983}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-601","name":"URL Redirection to Untrusted Site ('Open Redirect')","description":"The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Low","url":"https://cwe.mitre.org/data/definitions/601.html"}],"affected":[{"vendor":"checkmk gmbh","product":"checkmk","name":"Checkmk","label":"checkmk","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.5.0, < 2.5.0p15","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.4.0, < 2.4.0p38","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.3.0, < 2.3.0p51","noFixRecorded":false,"fixedIn":null},{"text":"2.2.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.5.0, < 2.5.0p15 | ≥ 2.4.0, < 2.4.0p38 | ≥ 2.3.0, < 2.3.0p51 | 2.2.0","eol":{"isEol":true,"eolDate":"2025-11-23T00:00:00.000Z","matchMethod":"name_exact","cycle":{"name":"2.2","label":"2.2","eolFrom":"2025-11-23T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"2.2"},"product":{"name":"checkmk","label":"Checkmk","category":"server-app"}},"hubHref":"/vendor/checkmk_gmbh/checkmk"}],"affectedCount":1,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://checkmk.com/werk/22314","label":"checkmk.com/werk/22314","hostname":"checkmk.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-16T09:51:30.453Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-16T10:40:17.160Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":34,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T16:05:12.789Z","stale":false,"partial":false}}