{"id":"CVE-2026-77176","title":"Kata-containers: insufficient validation of createcontainer mount and storage rules in genpolicy","summary":"A flaw was found in Kata Containers. In configurations utilizing genpolicy for Confidential Containers guest protection, a malicious host operator can exploit insufficient validation of CreateContainer mount and storage rules. This allow…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-73"],"vendor":"Red Hat","product":"kata-containers","affected":["kata-containers","openshift/ose-rhel-coreos-8 (all versions)","openshift/ose-rhel-coreos-9 (all versions)"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-08-21T15:45:24.984463Z"},"published":"2026-08-20","updated":"2026-10-26","sourceUpdated":"2026-10-26T17:52:28.746Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77176","references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-77176"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2517502","label":"RHBZ#2517502"},{"url":"https://github.com/kata-containers/kata-containers/security/advisories/GHSA-fmg6-v47x-52wr"}],"tags":["cve.org"],"epss":0.00478,"epssPercentile":0.41053,"ingestedAt":"2026-10-26T18:35:51.660Z","slug":"CVE-2026-77176","body":"## Overview\n\nA flaw was found in Kata Containers. In configurations utilizing genpolicy for Confidential Containers guest protection, a malicious host operator can exploit insufficient validation of CreateContainer mount and storage rules. This allows them to mount arbitrary container-rootfs paths over sensitive host locations or provision arbitrary content, potentially exposing confidential information or enabling the acceptance of attacker-controlled input.\n\n## Affected\n\n- `kata-containers`\n- `openshift/ose-rhel-coreos-8 (all versions)`\n- `openshift/ose-rhel-coreos-9 (all versions)`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}