8.8high
CVE-2026-78428
Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently
Published 51 d ago · modified 40 d ago · JSON
CVSS
8.8
v4.0 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 19%
Public exploits
0
none known
Summary
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
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 51 d ago
Exploit prediction (EPSS)
0.27% probability of exploitation in the next 30 days, higher than 19% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 4.0 | 8.8 | 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 |
| CNA | 4.0 | 8.8 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- SUSE neuvector
Classification
- Weakness
- CWE-384 Session Fixation
References
- github.com /neuvector/neuvector/security/advisories/GHSA-c6rx-pmvf-m3jx · vendor-advisory
- bugzilla.suse.com /show_bug.cgi?id=1279937 · issue-tracking
Sources
- CVE List: CVE-2026-78428
- NVD: CVE-2026-78428
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