MEDIUMVulnerability
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'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.
Properties
- severity
- MEDIUM
- score
- 5.6
- cve_id
- CVE-2026-88265
- signal_observed_at
- 2026-09-17T21:32:24+00:00
- vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
- published_at
- 2026-09-10T09:17:03.523
- last_modified
- 2026-09-15T16:17:38.437
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Improper Link Resolution Before File Access ('Link Following')
DESCRIBED_BY (1)
→[Source]NVD
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