UpHeron
All vulnerabilities

Servers and applications

CVE-2026-45690

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attackers with knowledge of a user's password to circumvent two-factor authentication (2FA) protections. When a user initiated login with valid credentials on a 2FA-enabled account, the system created a…

Severity
Medium 5.9
Published
1 Jun 2026
Last changed
22 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
29.0.16.16, 30.0.17.9, 31.0.14.5, 32.0.9, 33.0.3
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • From 29.0.0 before 29.0.16.16
  • From 30.0.0 before 30.0.17.9
  • From 31.0.0 before 31.0.14.5
  • From 32.0.0 before 32.0.9
  • From 33.0.0 before 33.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-45690
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-45690