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CVE-2026-88265

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CVSS 3.1
5.6 medium
EPSS
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Published
()
Modified
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.

Weakness
CWE-59
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
NVD CVE.org GitHub PoCs EPSS (—)

In the news

No ingested article mentions this CVE yet.