Cyber Resilience

CVE-2026-6445

HighUpdated

Published: 09 June 2026

Published
09 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/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
EPSS Score 0.0028 19.7th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-6445 is a high-severity Improper Authorization in Handler for Custom URL Scheme (CWE-939) vulnerability in Purestorage (inferred from references). Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Data from Local System (T1005); ranked at the 19.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A flaw exists in FlashArray Purity where insufficient filtering of certain data paths could expose sensitive information to an authenticated user with low privileges.

CWE(s)
CWE-939

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
Why these techniques?

CWE-939 improper endpoint authorization directly enables low-priv authenticated access to otherwise restricted sensitive data on the local system.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

Affected Assets

Purestorage
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References