Sungrow iSolarCloud before 2026 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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Sungrow iSolarCloud unknown
Version Status Constraints
0 affected < 2026

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jakkaru.de/articles/sungrow-vulnerability-exposes-gigawatts-worldwide cve-icon cve-icon
https://www.sungrowpower.com/en/products/cloud-software/isolarcloud cve-icon cve-icon
History

Wed, 07 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Title Authentication Bypass in Sungrow iSolarCloud Leading to Account Takeover

Wed, 07 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description Sungrow iSolarCloud before 2026 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.
Weaknesses CWE-288
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/S:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-07T13:54:45.211Z

Reserved: 2026-10-07T13:54:44.767Z

Link: CVE-2026-107194

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-07T14:17:09.203

Modified: 2026-10-07T14:47:21.140

Link: CVE-2026-107194

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T15:45:06Z

Weaknesses