CVE-2026-45284

published 2026-06-01

CVE-2026-45284: Nextcloud is an open source content collaboration platform. From version 1.3.6 to before version 8.4.0, an improper check allowed users that where provided by…

Priority P3 53 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

Nextcloud is an open source content collaboration platform. From version 1.3.6 to before version 8.4.0, an improper check allowed users that where provided by LDAP to still authenticate towards user OIDC after they where deleted. This issue has been patched in version 8.4.0.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
nextcloud	security-advisories	—	—
nextcloud	user_oidc	>= 1.3.6 < 8.4.0	8.4.0

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CWE-284