{"schemaVersion":3,"id":"CVE-2026-91841","aliases":["UBUNTU-CVE-2026-91841","DEBIAN-CVE-2026-91841"],"status":"published","duplicateOf":null,"title":null,"description":"A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.","dates":{"published":"2026-09-25T17:56:34.223Z","modified":"2026-09-28T12:43:47.658Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:L/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":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00194,"percentile":0.08546,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-09-26T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00194,"percentile":0.08546}],"last30":[{"date":"2026-09-26T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00194,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00194,"percentile":0.08546}]},"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-93","name":"Improper Neutralization of CRLF Sequences ('CRLF Injection')","description":"The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/93.html"}],"affected":[{"vendor":"debian","product":"network-manager-vpnc","name":"network-manager-vpnc","label":"network-manager-vpnc","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/network-manager-vpnc","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"network-manager-vpnc","name":"network-manager-vpnc","label":"network-manager-vpnc","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/network-manager-vpnc","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"gnome","product":"networkmanager-vpnc","name":"NetworkManager-vpnc","label":"networkmanager-vpnc","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":"/vendor/gnome/networkmanager-vpnc"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-91841","label":"access.redhat.com/security/cve/CVE-2026-91841","hostname":"access.redhat.com","tags":["VDB Entry","X Refsource REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2533651","label":"bugzilla.redhat.com/show_bug.cgi?id=2533651","hostname":"bugzilla.redhat.com","tags":["Issue Tracking","X Refsource REDHAT"]},{"url":"https://gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20","label":"gitlab.gnome.org/Archive/NetworkManager-vpnc/-/work_items/20","hostname":"gitlab.gnome.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-91841","label":"ubuntu.com/security/CVE-2026-91841","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91841","label":"www.cve.org/CVERecord?id=CVE-2026-91841","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://blogs.gnome.org/mcatanzaro/2026/09/15/privilege-escalation-vulnerabilities-in-networkmanager-plugins/","label":"blogs.gnome.org/mcatanzaro/…","hostname":"blogs.gnome.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-91841","label":"security-tracker.debian.org/tracker/CVE-2026-91841","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-25T17:56:34.223Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-28T12:43:47.658Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T01:14:27.610Z","stale":false,"partial":false}}