UpHeron
All vulnerabilities

Servers and applications

CVE-2018-3761

Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.

Severity
High 8.1
Published
5 Jul 2018
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
12.0.8, 13.0.3
Sources
NVD

Affected software

SoftwareAffected versions
NextcloudServers and applications · cpe:a:nextcloud:nextcloud_server
  • Every version before 12.0.8
  • From 13.0.0 before 13.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-3761
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-3761