CVE-2026-77176
highA flaw was found in Kata Containers.
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 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.
CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-08-20 17:19
Modified: 2026-10-31 09:16
NVD status: Awaiting Analysis
Last synced 1 hour ago
Verified against the source API 2026-10-31 09:21 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/security/cve/CVE-2026-77176 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2517502 secalert@redhat.com
- https://github.com/kata-containers/kata-containers/security/advisories/GHSA-fmg6-v47x-52wr secalert@redhat.com
- http://www.openwall.com/lists/oss-security/2026/08/20/19 af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-10-31 09:21 UTC · record ↗