Medium severity5.6NVD Advisory· Published Sep 10, 2026· Updated Oct 2, 2026
CVE-2026-88265
CVE-2026-88265
Description
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.
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Affected products
2- Range: <=1.29.1
Patches
Vulnerability mechanics
References
3News mentions
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