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CVE-2026-88265 Crun: crun: /dev/null symlink follow during stdio reopen allows host bind-mount write and chown

🗓️ 10 Sep 2026 08:57:03Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

Crun 1.29.1 and earlier symlink follow in /dev/null reopen enables host file write and chown.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-88265
10 Sep 202608:57
–alpinelinux
cve
CVE
CVE-2026-88265
10 Sep 202608:57
–cve
debiancve
Debian CVE
CVE-2026-88265
10 Sep 202608:57
–debiancve
euvd
EUVD
EUVD-2026-75360
10 Sep 202608:57
–euvd
nvd
NVD
CVE-2026-88265
10 Sep 202609:17
–nvd
osv
OSV
AZL-101102 CVE-2026-88265 affecting package crun 1.24-6
10 Sep 202609:17
–osv
osv
OSV
DEBIAN-CVE-2026-88265
10 Sep 202609:17
–osv
osv
OSV
UBUNTU-CVE-2026-88265
10 Sep 202609:17
–osv
ptsecurity
Positive Technologies
PT-2026-89336
10 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-88265: Improper Link Resolution Before File Access
10 Sep 202600:00
–rapid7
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crun",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "container-tools:rhel8/crun",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crun",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crun",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crun",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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15 Sep 2026 15:02Current
CVSS 3.15.6
EPSS0.00119
SSVC
50