Vulnerability · Published May 12, 2026 · Assigned by schneider
CVE-2026-6866Initialization of a Resource with an Insecure Default vulnerability on EcoStruxure™ Panel Server
High 8.2
In plain English
A high-severity security flaw in EcoStruxure™ Panel Server from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 4.0)8.2High
Exploit odds (30 days)0.3%top 78.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Schneider Electric | EcoStruxure™ Panel Server | Versions 002.005.000 and prior |
Weakness: CWE-1188 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N