MEDIUM 5.6 NVD
CVE-2026-88265
A flaw was found in crun. After pivot_root, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file'
A flaw was found in crun. After pivot_root, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.
References
- https://access.redhat.com/security/cve/CVE-2026-88265
- https://bugzilla.redhat.com/show_bug.cgi?id=2531224
- https://github.com/containers/crun/
This medium severity vulnerability with a CVSS score of 5.6 was published on 2026-09-10 via NVD.
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