What is CVE-2025-8766?

CVE-2025-8766 is a medium-severity vulnerability in Red Hat Openshift Data Foundation 4, classified under Incorrect Default Permissions. CVSS score: 6.4/10. Published 2026-03-13.

How severe is CVE-2025-8766?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Red Hat Openshift Data Foundation 4

CVE-2025-8766

A container privilege escalation flaw was found in certain Multi-Cloud Object Gateway Core images. This issue stems from the /etc/passwd file being created with group-writable permissions during build time. In certain conditions, an attack…

EPSS: 0.000 (0.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Red Hat Openshift Data Foundation 4
Redhat Openshift_data_foundation — versions 4.0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory)

Frequently asked questions

What is CVE-2025-8766?: CVE-2025-8766 is a medium-severity vulnerability in Red Hat Openshift Data Foundation 4, classified under Incorrect Default Permissions. CVSS score: 6.4/10. Published 2026-03-13.
How severe is CVE-2025-8766?: Medium severity. CVSS v3 base score is 6.4 out of 10.