{"id":"CVE-2026-103505","aliases":["EUVD-2026-90883","GHSA-9w9f-p9qm-rcm4","GHSA-pv26-6q9q-5773"],"status":"published","title":"AWS EFS CSI Driver Mount Option Injection via mounttargetipmap","description":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.\n\n\n\nTo remediate this issue, users should upgrade to version v3.5.0 or later.","severity":{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00432,"percentile":0.38013,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-88"],"published":"2026-10-01T15:36:04Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"aws","product":"aws-efs-csi-driver"}],"references":[{"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.5.0","tags":["patch","fix"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-120-aws/","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-pv26-6q9q-5773","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103505","tags":["advisory"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-120-aws"},{"url":"https://github.com/advisories/GHSA-9w9f-p9qm-rcm4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103505.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-103505","title":"AWS EFS CSI Driver Mount Option Injection via mounttargetipmap","description":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.\n\n\n\nTo remediate this issue, users should upgrade to version v3.5.0 or later.","status":"published","published":"2026-10-01T15:36:04.355Z","modified":"2026-10-09T16:32:11.554Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-90883","description":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.\n\n\n\nTo remediate this issue, users should upgrade to version v3.5.0 or later.","status":"published","published":"2026-10-01T15:36:04Z","modified":"2026-10-09T16:32:11Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"updated_at":"2026-11-02T17:27:25.010362Z"}],"ghsa":[{"id":"GHSA-9w9f-p9qm-rcm4","title":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI...","description":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.\n\n\n\nTo remediate this issue, users should upgrade to version v3.5.0 or later.","status":"published","published":"2026-10-01T18:32:43Z","modified":"2026-10-02T15:32:21Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"},{"version":"4.0","score":6.9,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T15:12:43.646433Z"}],"nvd":[{"id":"CVE-2026-103505","description":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.\n\n\n\nTo remediate this issue, users should upgrade to version v3.5.0 or later.","status":"published","published":"2026-10-01T16:17:36.627Z","modified":"2026-10-02T14:17:07.94Z","cvss":[{"version":"4.0","score":6.9,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:12:53.41762Z"}],"osv":[{"id":"CVE-2026-103505","title":"AWS EFS CSI Driver Mount Option Injection via mounttargetipmap","description":"Improper neutralization of argument delimiters in the volume handling component in AWS EFS CSI Driver (aws-efs-csi-driver) v3.1.0 through v3.4.2 might allow remote authenticated users with PersistentVolume creation permissions to inject arbitrary mount options via comma-separated values in the mounttargetipmap volumeAttribute.\n\n\n\nTo remediate this issue, users should upgrade to version v3.5.0 or later.","status":"published","published":"2026-10-01T15:36:04.355Z","modified":"2026-10-28T02:30:44.943676702Z","cvss":[{"version":"4.0","score":6.9,"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","level":"medium"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T15:44:54.236592Z"}]}}