What’s Vulnerable › Vulnerabilities

CVE-2026-107194

• Severity: critical (CVSS 9.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-07 · updated 2026-10-19
• Weakness: CWE-288

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.

Affected products

• Sungrow iSolarCloud: before 2026-08-25 — fixed in 2026-08-25

How to fix

Upgrade to a fixed version: Sungrow iSolarCloud 2026-08-25. Check the vendor advisory for mitigations.

References

• https://jakkaru.de/articles/sungrow-vulnerability-exposes-gigawatts-worldwide
• https://www.sungrowpower.com/en/products/cloud-software/isolarcloud
• https://www.linkedin.com/posts/patrick-lamplmair-0aa66715b_otsecurity-gridsecurity-solarenergy-activity-7514199420771393536-HAi3
• https://www.pv-magazine.com/2026/10/08/sungrow-patches-isolarcloud-vulnerability-after-security-researchers-gain-access/
• https://www.pv-tech.org/sungrow-patches-cloud-vulnerability-affecting-solar-inverters/
• https://www.sungrowpower.com/en/login-bypass-vulnerability-in-sungrow-isolarcloud

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