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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 4
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 14:03
- References+4 references (now 6)NVD modified 2026-10-19 15:16
- DescriptionNVD modified 2026-10-19 15:16
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.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. - First seenCVSS 9.2NVD modified 2026-10-10 03:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 6
- 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