CVE-2026-107194 json
Sungrow iSolarCloud before 2026-08-25 allows authentication bypass and account takeover via "login_type":"5" in a login request, potentiall…
published last mo. modified 21d ago also EUVD-2026-94332
- cvss
- 9.2
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Sungrow iSolarCloud 2026-08-25
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 30d ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 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 |
| CNA | 4.0 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Sungrow iSolarCloud
Classification
- Weakness
-
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
References
- sungrowpower.com /en/products/cloud-software/isolarcloud
- jakkaru.de /articles/sungrow-vulnerability-exposes-gigawatts-worldwide
- sungrowpower.com /en/login-bypass-vulnerability-in-sungrow-isolarcloud
- linkedin.com /posts/patrick-lamplmair-0aa66715b_otsecurity-gridsecurity-solarenergy-activity-7514199420771393536-HAi3
- pv-magazine.com /2026/10/08/sungrow-patches-isolarcloud-vulnerability-after-security-researchers-gain-access/
- pv-tech.org /sungrow-patches-cloud-vulnerability-affecting-solar-inverters/
Sources
- CVE List CVE-2026-107194
- NVD CVE-2026-107194
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.