{"schemaVersion":3,"id":"CVE-2026-48936","aliases":["UBUNTU-CVE-2026-48936"],"status":"published","duplicateOf":null,"title":null,"description":"A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission.\n\nThis vulnerability affects one supported release line: **Node.js 26**.","dates":{"published":"2026-06-26T01:14:36.878Z","modified":"2026-06-26T13:35:27.884Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.3,"severity":"low","version":"3.0","versionLabel":"v3.0","source":"CVE.org","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":3.3,"severity":"low","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":3.3,"severity":"low","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":4.6,"impact":2.3,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":3.3,"severity":"low","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00135,"percentile":0.02643,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00135},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00135,"percentile":0.02643}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00135,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00135,"percentile":0.02643}]},"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-284","name":"Improper Access Control","description":"The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Pillar","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/284.html"}],"affected":[{"vendor":"ubuntu","product":"nodejs","name":"nodejs","label":"nodejs","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/nodejs","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"nodejs","product":"node","name":"Node","label":"node","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"26.3.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"26.3.0","eol":null,"hubHref":"/vendor/nodejs/node"},{"vendor":"nodejs","product":"node.js","name":"node.js","label":"node.js","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"26.3.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"26.3.0","eol":{"isEol":false,"eolDate":"2029-04-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"26","label":"26 (Upcoming LTS)","eolFrom":"2029-04-30T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"26.12.0"},"product":{"name":"nodejs","label":"Node.js","category":"framework"}},"hubHref":"/vendor/nodejs/nodejs"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","label":"nodejs.org/en/blog/vulnerability/june-2026-security-releases","hostname":"nodejs.org","tags":["Patch","Vendor Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-48936","label":"ubuntu.com/security/CVE-2026-48936","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48936","label":"www.cve.org/CVERecord?id=CVE-2026-48936","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases#unix-domain-socket-server-bypasses---permission-network-restrictions-incomplete-cve-2026-21636-fix-cve-2026-48936---low","label":"nodejs.org/en/blog/vulnerability/june-2026-security-releases","hostname":"nodejs.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2026:11110-1","RHSA-2026:33866","RHSA-2026:34478","RHSA-2026:35272","RHSA-2026:7378","RHSA-2026:9455"],"duplicates":[],"related":["OPENSUSE-SU-2026:11110-1"]},"timeline":[{"kind":"published","date":"2026-06-26T01:14:36.878Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-26T13:35:27.884Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":13,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:26:34.201Z","stale":false,"partial":false}}