CVE-2026-78428

Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently

Published Sep 17, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.0, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N'}

Type Values Removed Values Added
Title Flaw in Nuevector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently
First Time appeared Suse
Suse neuvector
CPEs cpe:2.3:a:suse:neuvector:_5.6.1:*:*:*:*:*:*:*
Vendors & Products Suse
Suse neuvector
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H'}

Type Values Removed Values Added
First Time appeared Go
Go neuvector
Vendors & Products Go
Go neuvector
Type Values Removed Values Added
Weaknesses CWE-384
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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
Title Flaw in Nuevector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Sep 28, 2026, 12:07 PM
Reserved
Aug 24, 2026, 3:33 PM
Status
Awaiting Analysis
Published
Sep 17, 2026, 10:17 AM
Modified
Sep 28, 2026, 1:17 PM