How severe is CVE-2026-40711?

CVE-2026-40711 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-40711 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40711?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-40711 have an EU (EUVD) identifier?

Yes. CVE-2026-40711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39652.

When was CVE-2026-40711 published?

CVE-2026-40711 was published on 2026-06-26.

CVE-2026-40711

CVE-2026-40711 is a high-severity vulnerability with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39652
Weakness: CWE-78
Published: 2026-06-26
Last modified: 2026-06-26

Description

Dell Dell Container Storage Modules, version(s) csi-powerstore v2.16.0, csi-unity v2.16.0, csi-powerflex v2.16.0, csi-powermax v2.16.0, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Command execution.

Frequently asked questions

What is CVE-2026-40711?: Dell Dell Container Storage Modules, version(s) csi-powerstore v2.16.0, csi-unity v2.16.0, csi-powerflex v2.16.0, csi-powermax v2.16.0, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Command execution.
How severe is CVE-2026-40711?: CVE-2026-40711 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-40711 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40711?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-40711 have an EU (EUVD) identifier?: Yes. CVE-2026-40711 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39652.
When was CVE-2026-40711 published?: CVE-2026-40711 was published on 2026-06-26.

References

https://www.dell.com/support/kbdoc/en-za/000478300/dsa-2026-259-security-update-for-dell-container-storage-modules-multiple-vulnerabilities?msockid=2e06327ba9266050201f2467a8f461dd

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