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CVE-2026-45156

🗓️ 01 Jun 2026 16:38:46Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 144 Views🌐 WEB

Nextcloud authentication bypass due to missing JWT verification in User OpenID Connect ID4me.

Related
Detection
Affected
Refs
Paths
Vulners
Node
OR
nextcloudnextcloudRange0.3.03.1.0
nextcloudnextcloudRange5.0.05.1.0
nextcloudnextcloudRange6.0.06.4.0
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 0.3.0, < 3.1.0",
        "status": "affected"
      },
      {
        "version": ">= 5.0.0, < 5.1.0",
        "status": "affected"
      },
      {
        "version": ">= 6.0.0, < 6.4.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
requesttokenpath/apps/user_oidc/Improper verification of cryptographic signature in Nextcloud user_oidc ID4me flow leading to authentication bypassCWE-287

Data

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22 Jul 2026 07:10Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.1
EPSS0.00412
SSVC
144