CVE-2026-107194
Sungrow iSolarCloud before 2026-08-25 allows authentication bypass and account takeover via…
- Risk score
- 67/100
- CVSS
- 9.2 v4.0
- Exploit chance (30 days)
- 0.4%
- Published
- 7 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 w…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.2 critical
- Remotely exploitable without logging in
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
Original 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.
Last activity 7 Oct 2026. Patch Forecast updates every hour.