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CVE-2026-6437

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. To remediate this issue, users should upgrade to version v3.0.1
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:03d2e2eebf070fc361f6f0b4705c4296c3dbf72146a051a132e0c439f95656b0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"AWS EFS CSI Driver","vendor":"Amazon","versions":[{"status":"unaffected","version":"3.0.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-88","description":"CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["vendor-advisory"],"url":"https://aws.amazon.com/security/security-bulletins/2026-016-aws/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/references/0
{"tags":["patch"],"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/releases/tag/v3.0.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/references/2
{"tags":["third-party-advisory"],"url":"https://github.com/kubernetes-sigs/aws-efs-csi-driver/security/advisories/GHSA-mph4-q2vm-w2pw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:abcbc521c3467a778fd8cccd9f1003153df7a0700484913da02c2a440e87cd7c · sha256:7933f7dd8d51ba23… · /containers/cna/references/1

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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