CVE-2026-107194CWE-288

CVE-2026-107194

published October 7, 2026

CVSS
9.2
EPSS
0%
Percentile
35.5
In the wild
Unconfirmed
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 with their parent organization.

The record
Technical detail
CVSS
9.2 · NONE
CVSS v4.0
9.2 · 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
EPSS
0.00423 · 35.5th percentile
Weakness
CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2026-10-07T18:17Z
References (6)
https://jakkaru.de/articles/sungrow-vulnerability-exposes-gigawatts-worldwide · [email protected]https://www.sungrowpower.com/en/products/cloud-software/isolarcloud · [email protected]https://www.linkedin.com/posts/patrick-lamplmair-0aa66715b_otsecurity-gridsecurity-solarenergy-activity-7514199420771393536-HAi3 · af854a3a-2127-422b-91ae-364da2661108https://www.pv-magazine.com/2026/10/08/sungrow-patches-isolarcloud-vulnerability-after-security-researchers-gain-access/ · af854a3a-2127-422b-91ae-364da2661108https://www.pv-tech.org/sungrow-patches-cloud-vulnerability-affecting-solar-inverters/ · af854a3a-2127-422b-91ae-364da2661108https://www.sungrowpower.com/en/login-bypass-vulnerability-in-sungrow-isolarcloud · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 09 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 07 OCT 13:54Z
    Sungrow iSolarCloud before 2026 allows authentication bypass and account takeover via "login_type":"5" in a login request, potentially leading to "local…
    cvelistv5