CVE-2026-78428 json
Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently
published 2026-09-17 52 d ago modified 2026-09-28 41 d ago also EUVD-2026-81412
- cvss
- 8.8
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- 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
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 52 d ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
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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