Vulnerability DatabaseCVE-2026-78428
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CVE-2026-78428
Published:September 17, 2026
Updated:October 22, 2026
For users authenticated through SAML or OpenID Connect (OIDC), this vulnerability can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently
Affected Packages
https://github.com/neuvector/neuvector.git (GITHUB):
Affected version(s) >=v5.6.0-rc4 <v5.6.1
Fix Suggestion:
Update to version v5.6.1
Related Resources (4)
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78428.json
https://bugzilla.suse.com/show_bug.cgi?id=1279937
https://github.com/neuvector/neuvector/security/advisories/GHSA-c6rx-pmvf-m3jx
https://nvd.nist.gov/vuln/detail/CVE-2026-78428
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CVSS v4
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Session Fixation
CWE-384
EPSS
Base Score:
0.27