CVE-2026-45278

Summary

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 Software

VendorProductVersion RangeStatus
nextcloudsecurity-advisories>= 6.1.0, < 8.2.2affected

Weaknesses

  • CWE-601: CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References