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CVE-2026-3864

A vulnerability was discovered in the Kubernetes CSI Driver for NFS where the subDir parameter in volume identifiers was insufficiently validated. Attackers with the ability to create PersistentVolumes referencing the NFS CSI driver could craft volume identifiers containing path traversal sequences (../). During volume deletion or cleanup operations, the driver could operate on unintended directories outside the intended managed path within the NFS export. This may lead to deletion or modificati
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b6fab33a5094b2ae0f64ceff0752010cf19023a9795d80744f77e07196b811a3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"CSI Driver for NFS","vendor":"Kubernetes","versions":[{"lessThan":"4.13.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"4.13.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:75846f257cfb9740dec0a06466b3f10e358620d05defeec69820341971d9eb07 · sha256:6a3bfcd396bea319… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:75846f257cfb9740dec0a06466b3f10e358620d05defeec69820341971d9eb07 · sha256:6a3bfcd396bea319… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22 Path Traversal","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:75846f257cfb9740dec0a06466b3f10e358620d05defeec69820341971d9eb07 · sha256:6a3bfcd396bea319… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/03/17/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:75846f257cfb9740dec0a06466b3f10e358620d05defeec69820341971d9eb07 · sha256:6a3bfcd396bea319… · /containers/adp/0/references/0
{"tags":["issue-tracking"],"url":"https://github.com/kubernetes/kubernetes/issues/137797"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:75846f257cfb9740dec0a06466b3f10e358620d05defeec69820341971d9eb07 · sha256:6a3bfcd396bea319… · /containers/cna/references/1
{"tags":["mailing-list"],"url":"https://groups.google.com/g/kubernetes-security-announce/c/i4ZKN9VLcUE"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:75846f257cfb9740dec0a06466b3f10e358620d05defeec69820341971d9eb07 · sha256:6a3bfcd396bea319… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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