CVE-2026-6866
Last modified
CVE-2026-6866 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-6866?
How severe is CVE-2026-6866?
How do I fix CVE-2026-6866?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-6860A TCP client can perform a TLS handshake and present the ser…5.3
- CVE-2026-6861A flaw was found in GNU Emacs. This vulnerability, a memory …7.1
- CVE-2026-6862A flaw was found in libefiboot, a component of efivar. The d…5.5
- CVE-2026-6863Velociraptor versions prior to 0.76.4 contain a cross organi…6.8
- CVE-2026-6864The CBX 5 Star Rating & Review plugin for WordPress is vulne…6.1
- CVE-2026-6865CWE-22: Improper Limitation of a Pathname to a Restricted Di…7.1
- CVE-2026-6867SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 an…5.5
- CVE-2026-6868HTTP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 an…7.5
- CVE-2026-6869WebSocket protocol dissector crash in Wireshark 4.6.0 to 4.6…5.5
- CVE-2026-6870GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 …5.5
- CVE-2026-6871Improper Neutralization of Input During Web Page Generation …6.1
- CVE-2026-6872Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMB…
Are you affected by CVE-2026-6866?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
