CVE-2026-77176
HIGHDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U
Exploit Intelligence
Low risk: more likely to be exploited than 34% of all known CVEs.
References
Related Vulnerabilities
Other CWE-73 (External Control of File Name or Path) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-39952 | Critical | 9.8 | 100% | - | Fix |
| CVE-2024-8517 | Critical | 9.8 | 95% | - | Fix |
| CVE-2025-33053 | High | 8.8 | 85% | KEV | Fix |
| CVE-2024-43451 | Medium | 6.5 | 84% | KEV | Fix |
| CVE-2023-4634 | Critical | 9.8 | 83% | - | Fix |
| CVE-2018-17246 | Critical | 9.8 | 82% | - | Fix |
Common questions
How do I fix CVE-2026-77176?
No published fix for CVE-2026-77176 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-77176 being actively exploited?
Not that we know of. CVE-2026-77176 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.41% is the estimated probability that it will be exploited in the next 30 days. That is higher than 34% of all scored CVEs.
How severe is CVE-2026-77176?
CVE-2026-77176 has a CVSS v3 base score of 8.1, rated important. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-28.