All vulnerabilities

Servers and applications

CVE-2023-25167

Discourse is an open source discussion platform. In affected versions a malicious user can cause a regular expression denial of service using a carefully crafted git URL. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this issue.

Severity
Medium 5.7
Published
8 Feb 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.0.1
Sources
NVD

Affected software

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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-25167
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-25167