{"id":"UBUNTU-CVE-2026-41526","details":"In KDE KCoreAddons before 6.25, KShell::quoteArgs is intended to safely quote arguments so that they can be passed to a shell command. This parsing does not adequately handle metacharacters, leading to an escape from the shell. All applications relying on this method in a security-critical path to handle user input are affected and could be exploited. In particular, because sendInput() sends a string to a terminal, a control character such as \\x01 can be used during injection.","modified":"2026-05-20T16:25:41.475877019Z","published":"2026-04-28T08:16:00Z","upstream":["CVE-2026-41526"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41526"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-41526"},{"type":"REPORT","url":"https://kde.org/info/security/advisory-20260427-1.txt"}],"affected":[{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.0-0ubuntu1","5.15.0-0ubuntu2","5.18.0-0ubuntu1","5.18.0-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libkf5coreaddons-data","binary_version":"5.18.0-0ubuntu1.1"},{"binary_name":"libkf5coreaddons5","binary_version":"5.18.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.38.0-0ubuntu1","5.40.0-0ubuntu1","5.41.0-0ubuntu1","5.42.0-0ubuntu1","5.43.0-0ubuntu2","5.44.0a-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.44.0a-0ubuntu1","binary_name":"libkf5coreaddons-data"},{"binary_version":"5.44.0a-0ubuntu1","binary_name":"libkf5coreaddons-dev-bin"},{"binary_version":"5.44.0a-0ubuntu1","binary_name":"libkf5coreaddons5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.62.0-0ubuntu1","5.62.0-0ubuntu2","5.64.0-0ubuntu1","5.65.0-0ubuntu1","5.66.0-0ubuntu1","5.67.0-0ubuntu1","5.68.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.68.0-0ubuntu1","binary_name":"libkf5coreaddons-data"},{"binary_name":"libkf5coreaddons-dev-bin","binary_version":"5.68.0-0ubuntu1"},{"binary_name":"libkf5coreaddons5","binary_version":"5.68.0-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.86.0-0ubuntu1","5.87.0-0ubuntu1","5.88.0-0ubuntu2","5.88.0-0ubuntu3","5.88.0-1ubuntu1","5.88.0-1ubuntu2","5.89.0-0ubuntu1","5.90.0-0ubuntu1","5.91.0-0ubuntu1","5.92.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libkf5coreaddons-data","binary_version":"5.92.0-0ubuntu1"},{"binary_name":"libkf5coreaddons-dev-bin","binary_version":"5.92.0-0ubuntu1"},{"binary_version":"5.92.0-0ubuntu1","binary_name":"libkf5coreaddons5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.110.0-0ubuntu1","5.112.0-0ubuntu1","5.113.0-0ubuntu1","5.113.0-0ubuntu2","5.115.0-0ubuntu1","5.115.0-0ubuntu3","5.115.0-0ubuntu4","5.115.0-0ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_name":"libkf5coreaddons-data","binary_version":"5.115.0-0ubuntu5"},{"binary_name":"libkf5coreaddons-dev-bin","binary_version":"5.115.0-0ubuntu5"},{"binary_name":"libkf5coreaddons5","binary_version":"5.115.0-0ubuntu5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.116.0-0ubuntu1","5.116.0-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libkf5coreaddons-data","binary_version":"5.116.0-1ubuntu1"},{"binary_name":"libkf5coreaddons-dev-bin","binary_version":"5.116.0-1ubuntu1"},{"binary_name":"libkf5coreaddons5","binary_version":"5.116.0-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kf6-kcoreaddons","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/kf6-kcoreaddons?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.12.0-0ubuntu1","6.12.0-0ubuntu2","6.14.0-0ubuntu1","6.15.0-0ubuntu1","6.16.0-0ubuntu1","6.17.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.17.0-0ubuntu1","binary_name":"libkf6coreaddons-data"},{"binary_name":"libkf6coreaddons6","binary_version":"6.17.0-0ubuntu1"},{"binary_name":"qml6-module-org-kde-coreaddons","binary_version":"6.17.0-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kcoreaddons","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/kcoreaddons?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.116.0-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libkf5coreaddons-data","binary_version":"5.116.0-1ubuntu1"},{"binary_version":"5.116.0-1ubuntu1","binary_name":"libkf5coreaddons-dev-bin"},{"binary_name":"libkf5coreaddons5","binary_version":"5.116.0-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}},{"package":{"name":"kf6-kcoreaddons","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/kf6-kcoreaddons?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.17.0-0ubuntu1","6.19.0-0ubuntu1","6.20.0-0ubuntu1","6.21.0-0ubuntu1","6.22.0-0ubuntu1","6.23.0-0ubuntu1","6.24.0-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.24.0-0ubuntu1","binary_name":"libkf6coreaddons-data"},{"binary_name":"libkf6coreaddons6","binary_version":"6.24.0-0ubuntu1"},{"binary_name":"qml6-module-org-kde-coreaddons","binary_version":"6.24.0-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41526.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}