CVE-2026-78428

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

State: Published
Severity: 8.8 High
Published: Sep 17, 2026
Updated: Sep 28, 2026
Reserved: Aug 24, 2026

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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

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	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	suse

Weaknesses

CWE-384 Session Fixation

Affected Products

Product	Versions
neuvectorSUSE	<5.6.1Affected

References

https://github.com/neuvector/neuvector/security/advisories/GHSA-c6rx-pmvf-m3jxvendor-advisory
https://bugzilla.suse.com/show_bug.cgi?id=1279937issue-tracking

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