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CVE-2026-107194

Critical

Description

Sungrow iSolarCloud before 2026-08-25 allows authentication bypass and account takeover via "login_type":"5" in a login request, potentially leading to "local blackouts on the whole continent" in Europe. An email address for the user_account property is required; however, a user can view the email address associated with their parent organization.

SeverityCritical
CVSS9.2
Exploit probability—
ProductiSolarCloud
PublishedOct 7, 2026
First seenOct 7, 2026
Weakness typeCWE-288CWE-288

How to fix

Update
  • Sungrow iSolarCloud2026-08-25 or later

Affected products

ProductAffected versionsFixed in
Sungrow iSolarCloudv < 2026-08-252026-08-25

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