CVE-2026-107194

Sungrow iSolarCloud before 2026 allows authentication bypass and account takeover via "login_type...

9.2 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: High
Availability: High

Exploit likelihood

0.45%Up 0.1 points since Oct 8, 2026

What each source reports

CVE List Score used 9.2

Record: CVE-2026-107194
CVSS 4.0: 9.2 CriticalCVSS: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
Weakness: CWE-288
Updated: 2026-11-02

EUVDEUVD-2026-94332 9.2

Record: EUVD-2026-94332
CVSS 4.0: 9.2 CriticalCVSS: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
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8f9m-p66m-hj4m 9.2

Sungrow iSolarCloud before 2026 allows authentication bypass and account takeover via "login_type...

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.

Record: GHSA-8f9m-p66m-hj4m
CVSS 4.0: 9.2 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/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:P/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-288
Updated: 2026-11-02

NVD 9.2

Record: CVE-2026-107194
CVSS 4.0: 9.2 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H/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:P/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-288
Updated: 2026-11-02

Affected products

sungrow isolarcloud

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-107194 is a critical vulnerability (CVSS 9.2) in Sungrow Isolarcloud, published October 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.