CVE-2026-66279

HighCVSS 7.2/10Last modified Oct 23, 2026

Description

In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.

Metrics

CVSS 4.0 7.2/10CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/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

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 22, 2026
Last modified
Oct 23, 2026
NVD status
Awaiting Analysis

Related CVEs from 2026

CVE-2026-66286.3A flaw has been found in phili67 Ecclesia CRM up to 8.0.0. This affects the function ValidateInput of the file /v2/query/view/ of the componCVE-2026-662816.0In EmberZNet 9.1.1 and earlier, a malformed Discover Attributes command can result in a loop with unreachable exit condition (infinite loop)CVE-2026-662826.0In EmberZNet 9.1.1 and earlier, a malformed Publish Billing Period command can result in a recursive function call that will never reach itsCVE-2026-66297.3A vulnerability has been found in Metasoft 美特软件 MetaCRM up to 6.4.0. This vulnerability affects the function Statement.executeUpdate of the CVE-2026-662966.1Improper Neutralization of Input During Web Page Generation (XSS) vulnerability in lud oaskit allows reflected cross-site scripting via the CVE-2026-662978.0Improper Neutralization of Special Elements used in an OS Command (OS Command Injection) vulnerability in livebook-dev livebook allows commaCVE-2026-662988.8Origin Validation Error vulnerability in livebook-dev livebook allows untrusted notebook output JavaScript to trigger session-wide keyboard CVE-2026-662995.3Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M2CVE-2026-66308.8A vulnerability was found in Tenda F451 1.0.0.7_cn_svn7958. This issue affects the function fromGstDhcpSetSer of the file /goform/GstDhcpSetCVE-2026-663005.0SNOMED International Snowstorm contains a reflected XSS vulnerability within the "Web Route" redirection functionality. An attacker can injeCVE-2026-663016.5Exposure of sensitive information to an unauthorized actor in Microsoft Dynamics 365 (on-premises) allows an authorized attacker to discloseCVE-2026-663029.8External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.
CVE-2026-66279: High severity, CVSS 7.2 | Vulnix