# CVE-2026-107194 — Sungrow iSolarCloud

> As of 2026-10-07, CVE-2026-107194 is a Critical-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in Sungrow iSolarCloud, CVSS v4.0 9.2, EPSS 0.3% (25.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-107194, most recently “Critical Sungrow iSolarCloud Login Logic Flaw (CVE-2026-107194) Allows Password-less Account Takeover of Solar Plants”.

**Last updated:** 2026-10-07

## What is CVE-2026-107194?

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.

The record classifies CVE-2026-107194 under weakness class [CWE-288](https://intel.threadlinqs.com/cwe/CWE-288). 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 3 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 9.2 — Critical (derived from score) (`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 (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 25.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-07

## Is CVE-2026-107194 being exploited?

It currently carries a trending score of 41 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Sungrow**: iSolarCloud

## How to fix CVE-2026-107194

No vendor patch reference has been recorded for CVE-2026-107194 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-107194

1 tracked threat in the Threadlinqs corpus references CVE-2026-107194, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Critical Sungrow iSolarCloud Login Logic Flaw (CVE-2026-107194) Allows Password-less Account Takeover of Solar Plants](https://intel.threadlinqs.com/threat/TL-2026-3091) — CRITICAL · 2026-10-09

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [sungrowpower.com](https://www.sungrowpower.com/en/products/cloud-software/isolarcloud)
- [jakkaru.de](https://jakkaru.de/articles/sungrow-vulnerability-exposes-gigawatts-worldwide)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-107194
Full detection coverage and IOCs for threats exploiting CVE-2026-107194 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp