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CVE-2026-78428

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

HIGH
8
CVSS Score
Published: September 17, 2026 at 09:19 AM UTC
Updated: September 28, 2026 at 01:17 PM UTC
1 product affected across 1 vendorNeuVector

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Severity
HIGH8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

NeuVector· SUSE
60%
v < 5.6.1
Affected range stops below 5.6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://github.com/neuvector/neuvector/security/advisories/GHSA-c6rx-pmvf-m3jx
Issue Tracking
Source: cverecord
https://bugzilla.suse.com/show_bug.cgi?id=1279937

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHsuse
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-384

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