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CVE-2026-45278

🗓️ 01 Jun 2026 16:51:55Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 74 Views

CVE-2026-45278: Nextcloud OIDC login links can redirect users; fixed in 8.2.2.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45278
1 Jun 202616:51
–attackerkb
cnnvd
CNNVD
Nextcloud user_oidc: Input validation error vulnerability
1 Jun 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-45278 Nextcloud: Open Redirect in user_oidc login flow via protocol-relative URL bypass
1 Jun 202616:51
–cvelist
euvd
EUVD
EUVD-2026-33704
1 Jun 202616:51
–euvd
nextcloud
Nextcloud
Open Redirect in user_oidc login flow via protocol-relative URL bypass
12 May 202608:51
–nextcloud
mend
Mend
CVE-2026-45278
1 Jun 202616:51
–mend
nvd
NVD
CVE-2026-45278
1 Jun 202619:16
–nvd
ptsecurity
Positive Technologies
PT-2026-45523
1 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-45278: URL Redirection to Untrusted Site
1 Jun 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-45278
5 Jun 202619:47
–redhatcve
Rows per page
NVD
Vulners
Node
nextclouduser_oidcRange6.1.0–8.2.2
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 6.1.0, < 8.2.2",
        "status": "affected"
      }
    ]
  }
]

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20 Jul 2026 20:10Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.13.3 - 6.1
EPSS0.00232
SSVC
74