All vulnerabilities

Servers and applications

CVE-2023-30606

Discourse is an open source platform for community discussion. In affected versions a user logged as an administrator can call arbitrary methods on the `SiteSetting` class, notably `#clear_cache!` and `#notify_changed!`, which when done on a multisite instance, can affect the entire cluster resulting in a denial of service. Users not running in multisite environments are not affected. This issue…

Severity
Medium 4.9
Published
18 Apr 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.1.0
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Every version up to 3.0.1
  • Every version before 3.1.0
  • Version 3.1.0-beta1
  • Version 3.1.0-beta2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-30606
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-30606