{"schemaVersion":3,"id":"CVE-2026-18656","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An uncontrolled search path element in Kiro IDE before version 1.0.228 on Windows might allow a remote unauthenticated actor to execute arbitrary code via a maliciously crafted project directory containing an executable that bypasses workspace trust protections when a local user opens the directory.\n\n\n\nTo remediate this issue, users should upgrade to version 1.0.228 or higher.","dates":{"published":"2026-08-04T19:35:43.289Z","modified":"2026-08-05T14:50:43.187Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.5,"severity":"high","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":8.5,"severity":"high","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":8.5,"severity":"high","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/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},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00224,"percentile":0.12198,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.060999999999999985,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00163},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00224,"percentile":0.12198}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00163,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00224,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00224,"percentile":0.12198}]},"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-427","name":"Uncontrolled Search Path Element","description":"The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/427.html"}],"affected":[{"vendor":"amazon","product":"kiro_ide","name":"kiro ide","label":"kiro_ide","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.0.0, ≤ 1.0.212","noFixRecorded":false,"fixedIn":null},{"text":"< 1.0.228","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.0.0, ≤ 1.0.212 | < 1.0.228","eol":null,"hubHref":"/vendor/amazon/kiro_ide"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://kiro.dev/changelog/ide/1-0/#patch-1-0-228","label":"kiro.dev/changelog/ide/1-0/","hostname":"kiro.dev","tags":["Release Notes","Patch"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-074-aws/","label":"aws.amazon.com/security/security-bulletins/2026-074-aws/","hostname":"aws.amazon.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-08-04T19:35:43.289Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-05T14:50:43.187Z","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":"2026-10-19T21:23:50.160Z","stale":false,"partial":false}}