CVE-2026-6866

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.

CVSS 4.0

8.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-26)

CWE

CWE-1188

Published

2026-05-12

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• schneider-electric:ecostruxure_panel_server_pas400_firmware
• schneider-electric:ecostruxure_panel_server_pas600_firmware
• schneider-electric:ecostruxure_panel_server_pas600v2_firmware
• schneider-electric:ecostruxure_panel_server_pas800_firmware
• schneider-electric:ecostruxure_panel_server_pas800v2_firmware

References

• https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-132-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-132-04.pdf

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