Vulnerability · Published Sep 17, 2026 · Assigned by suse
CVE-2026-78428Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently
High 8.8
In plain English
A high-severity session fixation in neuvector from SUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.3%top 81.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
Weakness: CWE-384 · 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