CVE-2026-76061 json
Cri-o: cri-o: bind_mount_prefix intermediate-symlink prefix bypass
published 2026-10-06 33 d ago modified 2026-10-09 31 d ago also EUVD-2026-93915
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 13%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/cri-o/cri-o@01f9036 commit
- github.com/cri-o/cri-o@6d08a9a commit
- github.com/cri-o/cri-o@d6f5897 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-76061 updated cvss 5.5
cri-o: CRI-O: bind_mount_prefix intermediate-symlink prefix bypass
-
Red Hat OpenShift Container Platform 4 cri-o, openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9affected: no fix available “Fix deferred”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 31 d ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L |
Affected products
- Red Hat Red Hat OpenShift Container Platform 4
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
- github.com /cri-o/cri-o/commit/01f90366dc8c8db0df32b4aae7fd067c1eddbb70
- github.com /cri-o/cri-o/commit/6d08a9a60ecfabdb3cbea0c8d698e31f1f01cb40
- github.com /cri-o/cri-o/commit/d6f58973acfcae93ecc039e0297fbe5f2548b46b
-
access.redhat.com
/security/cve/CVE-2026-76061
vdb-entry
-
bugzilla.redhat.com
/show_bug.cgi?id=2520330
issue-tracking
Sources
- CVE List CVE-2026-76061
- NVD CVE-2026-76061
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.