CVEvulnerability
CVE-2026-88265
5.6 MEDIUM
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-09-10
- Last modified
- 2026-10-02
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.6 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
- Weaknesses
- CWE-59
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.
Related
Weakness · CWE (1)
- CWE-59 Improper Link Resolution Before File Access weakness
References
- https://access.redhat.com/errata/RHSA-2026:71668 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-88265 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2531224 bugzilla.redhat.com
- https://github.com/containers/crun/ github.com