{"id":"CVE-2026-103505","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103505","generatedAt":"2026-10-28T01:12:34.901Z","title":"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…","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.","published":"2026-10-01T16:17:37.000Z","lastModified":"2026-10-02T14:17:08.000Z","status":"Awaiting Analysis","sourceIdentifier":"ff89ba41-3aa1-4d27-914a-91399e9639e5","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","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/M"},"cwe":["CWE-88"],"affected":[],"epss":{"score":0.00432,"percentile":0.373,"date":"2026-10-26","history":[{"date":"2026-10-02","score":0.00366,"percentile":0.28171}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-01T16:17:37.000Z","detail":{"score":"6.9","severity":"MEDIUM","publishedAt":"2026-10-01T16:17:36.627Z"},"summary":"New CVE, medium severity (CVSS 6.9)."}],"references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-120-aws/","source":"ff89ba41-3aa1-4d27-914a-91399e9639e5"},{"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.5.0","source":"ff89ba41-3aa1-4d27-914a-91399e9639e5"},{"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-pv26-6q9q-5773","source":"ff89ba41-3aa1-4d27-914a-91399e9639e5"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103505","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}