{"cve":"CVE-2026-6437","nvd":{"published":"2026-04-17T19:16:40.150","modified":"2026-10-20T19:17:51.440","status":"Modified","description":"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\n\n\n\n\nTo remediate this issue, users should upgrade to version v3.0.1","cvss_v4":{"vector":"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","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","score":6.5},"cwes":["CWE-88"],"references":["https://aws.amazon.com/security/security-bulletins/2026-016-aws/","https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.0.1","https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-mph4-q2vm-w2pw"],"products":["amazon:efs_csi_driver"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-6437","score":0.00565,"percentile":0.46648,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-mph4-q2vm-w2pw","url":"https://osv.dev/vulnerability/GHSA-mph4-q2vm-w2pw","summary":"Amazon EFS CSI Driver has mount option injection via unsanitized volumeHandle and mounttargetip fields","modified":"2026-04-18T01:26:25.918829Z","packages":[{"ecosystem":"Go","name":"github.com/kubernetes-sigs/aws-efs-csi-driver","purl":"pkg:golang/github.com/kubernetes-sigs/aws-efs-csi-driver","ranges":["<1.7.8-0.20260416142831-51806c22c575"],"fixed":["1.7.8-0.20260416142831-51806c22c575"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}