CVE-2026-78428 Race condition in neuvector
Concurrent SSO logins in NeuVector may allow one user to hijack another's session, requiring SAML or OIDC configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-78428?
CVE-2026-78428 is a high-severity vulnerability in SUSE neuvector, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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
Weakness: CWE-384
Which versions are affected by CVE-2026-78428?
How do I fix CVE-2026-78428?
No fix has been published for CVE-2026-78428 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-78428 being exploited?
There is no known exploitation of CVE-2026-78428 in the wild and no public exploit code.
Sources
Also known as GHSA-c6rx-pmvf-m3jx.