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crun

4 known vulnerabilities.

crun at a glance

Last 12 months
3
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
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All Critical High Medium Low Exploited only Public exploit

4 results · Feed

  • Medium 5.6
    CVE-2026-88264

    Crun: crun: /dev/console symlink follow allows root-owned file creation outside the rootfs

    A flaw was found in crun. When the container configuration does not give /dev a dedicated mount, terminal setup can redirect /dev/console onto an attacker-controlled path, including via the read-only-rootfs bind-mount fallback. Affected versions are crun 1.29…

    Red Hat containers Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Linux Debian Ubuntu Alpine
  • Medium 5.1
    CVE-2026-47766

    crun follows rootfs /dev symlink while creating default devices

    crun is an open source OCI Container Runtime fully written in C. Prior to version 1.28, crun's default device setup opens the container rootfs `/dev` directory without `O_NOFOLLOW`. If an OCI bundle contains `rootfs/dev` as a symlink and the bundle configurat…

    containers crun crun crun Debian Ubuntu Alpine
  • None 0.0
    CVE-2026-30892

    Crun incorrectly parses `crun exec` option `-u`, leading to privilege escalation

    crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process…

    containers crun crun crun Debian Ubuntu Alpine
  • High 8.5
    CVE-2025-24965

    .krun_config.json symlink attack creates or overwrites file on the host in crun

    crun is an open source OCI Container Runtime fully written in C. In affected versions A malicious container image could trick the krun handler into escaping the root filesystem, allowing file creation or modification on the host. No special permissions are ne…

    containers crun crun crun Ubuntu Alpine