Dashboard / CVE-2026-6866

CVE-2026-6866

HIGH
MEDIUM Priority: 0.02 BB Relevance: 76/100
Published: 2026-05-12 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: Present
VC: High
VI: None
VA: None

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.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
schneider-electric ecostruxure_panel_server_pas400_firmware < 002.006.000
schneider-electric ecostruxure_panel_server_pas600_firmware < 002.006.000
schneider-electric ecostruxure_panel_server_pas600v2_firmware < 002.006.000
schneider-electric ecostruxure_panel_server_pas800_firmware < 002.006.000
schneider-electric ecostruxure_panel_server_pas800v2_firmware < 002.006.000

References & Advisories (1)

Bug Bounty Relevance

76 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.2 / 10.0 v4.0
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/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:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.29%
Raw Score 0.002910
Percentile 21.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00291
2026-10-28
0.00291

Intelligence Sources

nvd ref →

External Links