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CVE-2026-45156 Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC

🗓️ 01 Jun 2026 16:38:46Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Nextcloud authentication bypass in User OIDC due to missing JWT signature verification by ID4me.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for CVE-2026-45156
23 Jun 202619:02
githubexploit
Circl
CVE-2026-45156
12 May 202614:15
circl
CNNVD
Nextcloud user_oidc 授权问题漏洞
1 Jun 202600:00
cnnvd
CVE
CVE-2026-45156
1 Jun 202616:38
cve
EUVD
EUVD-2026-33675
1 Jun 202616:38
euvd
Nextcloud
Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC
12 May 202609:12
nextcloud
Hacker One
Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC
7 Jan 202608:44
hackerone
NVD
CVE-2026-45156
1 Jun 202617:17
nvd
Positive Technologies
PT-2026-45472
1 Jun 202600:00
ptsecurity
RedhatCVE
CVE-2026-45156
3 Jun 202610:01
redhatcve
Rows per page
[
  {
    "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"
      }
    ]
  }
]

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