What’s Vulnerable › Vulnerabilities

CVE-2026-78428: Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently

• Severity: high (CVSS 8.8 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-28
• Weakness: CWE-384

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 products

• SUSE neuvector: before 5.6.1

References

• https://bugzilla.suse.com/show_bug.cgi?id=1279937
• https://github.com/neuvector/neuvector/security/advisories/GHSA-c6rx-pmvf-m3jx

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