{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6437","assignerOrgId":"ff89ba41-3aa1-4d27-914a-91399e9639e5","state":"PUBLISHED","assignerShortName":"AMZN","dateReserved":"2026-04-16T17:42:09.910Z","datePublished":"2026-04-17T18:41:36.075Z","dateUpdated":"2026-04-17T19:57:02.728Z"},"containers":{"cna":{"providerMetadata":{"orgId":"ff89ba41-3aa1-4d27-914a-91399e9639e5","shortName":"AMZN","dateUpdated":"2026-04-17T18:45:00.897Z"},"title":"AWS EFS CSI Driver Mount Option Injection","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-88","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-6","descriptions":[{"lang":"en","value":"CAPEC-6: Argument Injection"}]}],"affected":[{"vendor":"Amazon","product":"AWS EFS CSI Driver","versions":[{"status":"unaffected","version":"3.0.1"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) before v3.0.1 allows remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma injection.\n\n\n\n\nTo remediate this issue, users should upgrade to version v3.0.1","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) before <code>v3.0.1 </code>allows remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma injection.</p><p><br></p><p>To remediate this issue, users should upgrade to version <code>v3.0.1</code></p>"}]}],"references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-016-aws/","tags":["vendor-advisory"]},{"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-mph4-q2vm-w2pw","tags":["third-party-advisory"]},{"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.0.1","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-17T19:56:39.320224Z","id":"CVE-2026-6437","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-17T19:57:02.728Z"}}]}}