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CVE-2026-40165

🗓️ 20 May 2026 23:35:18Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 17 Views

Authentik SAML NameID injection enables bypass by truncating NameID; fixed in 2025.12.5.

Related
Detection
Affected
Refs
Social
Vulners
Node
goauthentikauthentikRange<2025.12.5
OR
goauthentikauthentikRange2026.2.0-rc12026.2.3
[
  {
    "vendor": "goauthentik",
    "product": "authentik",
    "versions": [
      {
        "version": "< 2025.12.5",
        "status": "affected"
      },
      {
        "version": ">= 2026.2.0-rc1, < 2026.2.3",
        "status": "affected"
      }
    ]
  }
]

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21 May 2026 15:24Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.7
EPSS0.0002
SSVC
17