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Vulnerability record · CVE-2026-77176 · published 20 August 2026

CVE-2026-77176: A 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.

8.1 CVSS 3.1 High EPSS 0.48% · top 61.2% CWE-73 · CWE-73 Awaiting Analysis
8.1CVSS 3.1 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
1 Sep 2026Last modified by NVD

Description

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-77176
https://bugzilla.redhat.com/show_bug.cgi?id=2517502
https://github.com/kata-containers/kata-containers/security/advisories/GHSA-fmg6-v47x-52wr
http://www.openwall.com/lists/oss-security/2026/08/20/19

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Source: NIST National Vulnerability Database (record CVE-2026-77176), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.