CVE ID :CVE-2026-45156 Published : June 1, 2026, 5:17 p.m. | 1ย hour, 8ย minutes ago Description :Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identify as any user. This issue has been patched in vers
Nextcloud: Authentication Bypass
Vulnerability
CVE-2026-45156
MITRE CVE High
Update to v0.3.0