Nextcloud User OIDC ID4me Auth Bypass via Missing JWT Sig Verification (CVE-2024-45156)

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Security AdvisoryCVE-2024-45156HighNextcloud

Affected:

User OIDC >= 0.3.0
User OIDC >= 1.0.0
User OIDC >= 1.2.0
User OIDC >= 1.3.0
User OIDC >= 5.0.0

Fixed in:

3.1.0
4.1.0
5.1.0
6.4.0
8.3.0

Referenced CVEs: CVE-2026-45156 · 8.1

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