CVE-2026-45278: Nextcloud is an open source content collaboration platform. From version 6.1.0 to before version 8.2.2, an attacker can craft links that would redirect users…

PriorityP429medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.23%

13.9th percentile

Nextcloud is an open source content collaboration platform. From version 6.1.0 to before version 8.2.2, an attacker can craft links that would redirect users to another website, when the victim uses the attackers link to log in via user OIDC. This issue has been patched in version 8.2.2.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
nextcloud	security-advisories	—	—
nextcloud	user_oidc	>= 6.1.0 < 8.2.2	8.2.2

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