CVE-2026-76061Cri-o: cri-o: bind_mount_prefix intermediate-symlink prefix bypass
Updated under an hour ago ()
Does this affect you?
It affects Red Hat OpenShift Container Platform 4. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A flaw was found in CRI-O's `bind_mount_prefix` handling. When configured with a non-empty `bind_mount_prefix`, a malicious container or local attacker could use a Container Runtime Interface (CRI) hostPath containing an intermediate absolute symlink. This could cause the bind mount source to resolve outside the intended prefixed root, potentially leading to unauthorized access to files or privilege escalation on the host system.
- CVSS
- 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
- Weakness (CWE)
- CWE-59
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- redhat
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift | 4 | CNA record |
References
- https://access.redhat.com/security/cve/CVE-2026-76061vdb-entry, x-refsource-redhat
- https://bugzilla.redhat.com/show_bug.cgi?id=2520330issue-tracking, x-refsource-redhat
- https://github.com/cri-o/cri-o/commit/01f90366dc8c8db0df32b4aae7fd067c1eddbb70
- https://github.com/cri-o/cri-o/commit/6d08a9a60ecfabdb3cbea0c8d698e31f1f01cb40
- https://github.com/cri-o/cri-o/commit/d6f58973acfcae93ecc039e0297fbe5f2548b46b
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.