{"id":"CVE-2026-78428","aliases":["EUVD-2026-81412","GHSA-c6rx-pmvf-m3jx"],"status":"published","title":"Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently","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","severity":{"version":"4.0","score":8.8,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00267,"percentile":0.18945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-384"],"published":"2026-09-17T09:19:21Z","modified":"2026-10-28T02:30:27Z","products":[{"vendor":"suse","product":"neuvector"}],"references":[{"url":"https://github.com/neuvector/neuvector/security/advisories/GHSA-c6rx-pmvf-m3jx","tags":["vendor-advisory","advisory"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1279937","tags":["issue-tracking","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78428.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78428","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-78428","title":"Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently","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","status":"published","published":"2026-09-17T09:19:21.262Z","modified":"2026-09-28T12:07:55.498Z","cvss":[{"version":"4.0","score":8.8,"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","level":"high","assessor":"cna"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T13:34:59.78118Z"}],"euvd":[{"id":"EUVD-2026-81412","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","status":"published","published":"2026-09-17T09:19:21Z","modified":"2026-09-28T12:07:55Z","cvss":[{"version":"4.0","score":8.8,"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","level":"high"}],"updated_at":"2026-11-02T17:27:53.908541Z"}],"nvd":[{"id":"CVE-2026-78428","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","status":"published","published":"2026-09-17T10:17:03.76Z","modified":"2026-09-28T13:17:22.8Z","cvss":[{"version":"4.0","score":8.8,"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/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","level":"high","assessor":"secondary"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:12:49.013904Z"}],"osv":[{"id":"CVE-2026-78428","title":"Flaw in Neuvector can result in one user receiving another user's authenticated session when multiple SSO login attempts occur concurrently","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","status":"published","published":"2026-09-17T09:19:21.262Z","modified":"2026-10-28T02:30:27.85319133Z","cvss":[{"version":"4.0","score":8.8,"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","level":"high"}],"updated_at":"2026-11-02T15:45:17.44708Z"}]}}