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Servers and applications

CVE-2023-45131

Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Severity
High 7.5
Published
16 Oct 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Every version up to 3.1.1
  • Version 3.2.0-beta1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-45131
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-45131