# CVE-2026-88265

## Summary

- **CVE ID:** CVE-2026-88265
- **Severity:** MEDIUM
- **CVSS Score:** 5.6 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N)
- **CWE:** CWE-59
- **Published:** Sep 10, 2026
- **Last Modified:** Sep 10, 2026

## 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.

## Affected Products

No affected products listed.

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-88265)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2531224)
- [CNA](https://github.com/containers/crun/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-12._