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Vulnerability record · CVE-2025-12801 · published 4 March 2026

CVE-2025-12801: Redhat openshift container platform incorrect permission assignment vulnerability

Redhat · Openshift Container Platform

A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.

6.5 CVSS 3.1 Medium EPSS 0.46% · top 62.5% CWE-279 · CWE-279CWE-732 · Incorrect permission assignment
6.5CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
1 Sep 2026Last modified by NVD

Description

A vulnerability was recently discovered in the rpc.mountd daemon in the nfs-utils package for Linux, that allows a NFSv3 client to escalate the privileges assigned to it in the /etc/exports file at mount time. In particular, it allows the client to access any subdirectory or subtree of an exported directory, regardless of the set file permissions, and regardless of any 'root_squash' or 'all_squash' attributes that would normally be expected to apply to that client.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:3938 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3939 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3940 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3941 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:3942 Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:5127
https://access.redhat.com/errata/RHSA-2026:5606
https://access.redhat.com/errata/RHSA-2026:5867
https://access.redhat.com/errata/RHSA-2026:5873
https://access.redhat.com/errata/RHSA-2026:5877
https://access.redhat.com/security/cve/CVE-2025-12801 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2413081 Issue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2025-12801), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.