{"id":"CVE-2026-88264","aliases":["ALPINE-CVE-2026-88264","AZL-101099","BELL-CVE-2026-88264","DEBIAN-CVE-2026-88264","EUVD-2026-75327","GHSA-ppgw-cqj8-9qrg","RHSA-2026:71668","UBUNTU-CVE-2026-88264","openSUSE-SU-2026:12162-1"],"status":"published","title":"Crun: crun: /dev/console symlink follow allows root-owned file creation outside the rootfs","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","severity":{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00121,"percentile":0.01936,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-59"],"published":"2026-09-10T08:40:36Z","modified":"2026-11-06T02:17:54Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"crun","fixed_in":["1.30.1-r0"],"sources":["osv"]},{"ecosystem":"Alpaquita:23","package":"crun","fixed_in":["1.17-r2"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"crun","fixed_in":["1.23.1-r2"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"crun","fixed_in":["1.30.1-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.30.1-r0"}]}]},{"source":"osv","ecosystem":"Azure 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Hat:hummingbird:1","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.30-1.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"crun-krun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.30-1.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:hummingbird:1","package":"crun-wasm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.30-1.hum1"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.5+dfsg-1","0.10.6+dfsg-1","0.11+dfsg-1","0.12+dfsg-1","0.12.1+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17+dfsg-1","0.17+dfsg-1.1","0.17+dfsg-1.1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.5-1","1.11-1","1.11.1-1","1.12-1","1.13-1","1.14-1","1.14.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.21-1ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.21-1ubuntu2","1.21-1ubuntu3"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"crun","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.30.1-1.1"}]}],"bundled":3}],"products":[{"vendor":"containers","product":"crun"},{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"},{"vendor":"red hat","product":"red hat hardened images"},{"vendor":"red hat","product":"red hat openshift container platform 4"},{"vendor":"red hat","product":"red hat openshift container platform 5"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:71668","tags":["vendor-advisory","x_refsource_REDHAT","advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-88264","tags":["vdb-entry","x_refsource_REDHAT","advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531223","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://github.com/containers/crun/","tags":["web","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88264","tags":["web","advisory"]},{"url":"https://github.com/containers/crun","tags":["package"]},{"url":"https://github.com/advisories/GHSA-ppgw-cqj8-9qrg"},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-88264","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-88264","tags":["advisory"]},{"url":"https://access.redhat.com/downloads/content/package-browser/","tags":["web"]},{"url":"https://catalog.redhat.com/software/containers/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88264.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-88264","tags":["advisory"]},{"url":"https://images.redhat.com/","tags":["article"]},{"url":"https://access.redhat.com/security/updates/classification/","tags":["article"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-88265","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_71668.json","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88264","tags":["advisory","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2531224","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88265","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88265","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-88264","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84042","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88264","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88265","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-88264","title":"Crun: crun: /dev/console symlink follow allows root-owned file creation outside the rootfs","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T08:40:36.527Z","modified":"2026-11-06T01:13:08.271Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-06T02:55:55.947181Z"}],"euvd":[{"id":"EUVD-2026-75327","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T08:40:36Z","modified":"2026-11-06T01:13:08Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-06T02:02:53.341523Z"}],"ghsa":[{"id":"GHSA-ppgw-cqj8-9qrg","title":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount,...","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T09:31:34Z","modified":"2026-09-26T00:32:17Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:12:27.845198Z"}],"nvd":[{"id":"CVE-2026-88264","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T09:17:03.397Z","modified":"2026-11-06T02:17:54.743Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-06T06:59:05.303911Z"}],"osv":[{"id":"ALPINE-CVE-2026-88264","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T09:17:03.397Z","modified":"2026-11-03T06:33:04.447891153Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T07:15:37.282377Z"},{"id":"BELL-CVE-2026-88264","status":"published","published":"2026-09-14T06:05:21.37153Z","modified":"2026-10-09T07:15:02.848776252Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:28:26.630331Z"},{"id":"CVE-2026-88264","title":"Crun: crun: /dev/console symlink follow allows root-owned file creation outside the rootfs","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T08:40:36.527Z","modified":"2026-11-07T02:30:19.805624625Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-07T03:08:11.522761Z"},{"id":"DEBIAN-CVE-2026-88264","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T09:17:03.397Z","modified":"2026-09-26T08:47:43.973947179Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:46:05.506112Z"},{"id":"RHSA-2026:71668","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-09-26T10:12:38Z","modified":"2026-10-03T10:42:46.037341726Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"UBUNTU-CVE-2026-88264","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T09:17:00Z","modified":"2026-10-17T13:01:15.527341778Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"AZL-101099","title":"CVE-2026-88264 affecting package crun 1.24-6","description":"A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.","status":"published","published":"2026-09-10T09:17:03Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:17.128158Z"},{"id":"openSUSE-SU-2026:12162-1","title":"crun-1.30.1-1.1 on GA media","description":"These are all security issues fixed in the crun-1.30.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-17T00:00:00Z","modified":"2026-10-18T11:15:03.793482292Z","updated_at":"2026-11-02T16:58:40.245664Z"}]}}