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CVE-2026-91871 dell ansible storage for powerstore: Improper Certificate Validation

7.4 highEPSS 0.2%

High (7.4) in dell ansible storage for powerstore. EPSS 0.2% estimated probability of exploitation activity in the next 30 days.

On this page
Dell Ansible Storage for PowerStore, versions prior to 3.9.0, contains an Improper Certificate Validation vulnerability in the API client component. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information exposure and unauthorized access.

Severity

CVSS 3.1

7.4 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.2% estimated probability of exploitation activity in the next 30 days; 13th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-12. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-295 Improper Certificate Validation
OWASP Top 10
A07:2025 Authentication Failures
Published
Modified
Assigned by
dell (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • dell:ansible storage for powerstore

Versions

From the CNA's record in the CVE List.

ProductAffected
Dell Ansible Storage for PowerStorebefore 3.9.0 or later

Attack patterns (CAPEC)

  • CAPEC-459 Creating a Rogue Certification Authority Certificate Likelihood: Medium · Severity: Very High
  • CAPEC-475 Signature Spoofing by Improper Validation Likelihood: Low · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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