{"schemaVersion":3,"id":"CVE-2026-59837","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.","dates":{"published":"2026-07-14T15:06:31.443Z","modified":"2026-10-15T01:23:28.307Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.6,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.9,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.6,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0067,"percentile":0.51126,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.0067},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0067,"percentile":0.51126}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0067,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0067,"percentile":0.51126}]},"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-121","name":"Stack-based Buffer Overflow","description":"A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/121.html"}],"affected":[{"vendor":"fortinet","product":"fortios","name":"fortios","label":"fortios","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 7.2.0, < 7.4.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.4.0, ≤ 7.4.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.2.0, ≤ 7.2.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0.0, ≤ 7.0.19","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.4.0, ≤ 6.4.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.2.0, < 7.4.2 | ≥ 7.4.0, ≤ 7.4.1 | ≥ 7.2.0, ≤ 7.2.13 | ≥ 7.0.0, ≤ 7.0.19 | ≥ 6.4.0, ≤ 6.4.16","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"fortios","label":"FortiOS","category":"os"}},"hubHref":"/vendor/fortinet/fortios"},{"vendor":"fortinet","product":"fortipam","name":"fortipam","label":"fortipam","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 1.0.0, < 1.8.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.8.0, ≤ 1.8.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.7.0, ≤ 1.7.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.6.0, ≤ 1.6.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.5.0, ≤ 1.5.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.4.0, ≤ 1.4.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.3.0, ≤ 1.3.1","noFixRecorded":false,"fixedIn":null},{"text":"1.2.0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.1.0, ≤ 1.1.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.0.0, ≤ 1.0.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.0.0, < 1.8.3 | ≥ 1.8.0, ≤ 1.8.2 | ≥ 1.7.0, ≤ 1.7.2 | ≥ 1.6.0, ≤ 1.6.2 | ≥ 1.5.0, ≤ 1.5.1 | ≥ 1.4.0, ≤ 1.4.3 | ≥ 1.3.0, ≤ 1.3.1 | 1.2.0 | ≥ 1.1.0, ≤ 1.1.2 | ≥ 1.0.0, ≤ 1.0.3","eol":null,"hubHref":"/vendor/fortinet/fortipam"},{"vendor":"fortinet","product":"fortiproxy","name":"fortiproxy","label":"fortiproxy","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.2.0, < 7.4.14","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.4.0, ≤ 7.4.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.2.0, ≤ 7.2.16","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.2.0, < 7.4.14 | ≥ 7.4.0, ≤ 7.4.13 | ≥ 7.2.0, ≤ 7.2.16","eol":null,"hubHref":"/vendor/fortinet/fortiproxy"},{"vendor":"fortinet","product":"fortisase","name":"fortisase","label":"fortisase","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 26.1.1, ≤ 26.1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 26.1.1, ≤ 26.1.2","eol":null,"hubHref":"/vendor/fortinet/fortisase"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-148","label":"fortiguard.fortinet.com/psirt/FG-IR-26-148","hostname":"fortiguard.fortinet.com","tags":["Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-864900.html","label":"cert-portal.siemens.com/productcert/html/ssa-864900.html","hostname":"cert-portal.siemens.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-07-14T15:06:31.443Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-15T01:23:28.307Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:36:55.195Z","stale":false,"partial":false}}