Vulnerability · Published Mar 13, 2026 · Assigned by redhat
CVE-2025-8766Noobaa-core: excessive permissions of /etc could lead to escalation of privilege in the noobaa-core container
Medium 6.4
In plain English
A medium-severity incorrect default permissions in Red Hat Openshift Data Foundation 4.22 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
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 attacker who can execute commands within an affected container, even as a non-root user, can leverage their membership in the root group to modify the /etc/passwd file. This could allow the attacker to add a new user with any arbitrary UID, including UID 0, leading to full root privileges within the container
Affected products (as reported)
Weakness: CWE-276 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- RHSA-2026:37387 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-8766 vdb-entry, x_refsource_REDHAT
- RHBZ#2387265 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-8766.json x_sadp-csaf-vex