All vulnerabilities

Servers and applications

CVE-2023-28111

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the `beta` and `tests-passed` branches, attackers are able to bypass Discourse's server-side request forgery (SSRF) protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the latest beta and tests-passed version of Discourse. version 3.1.0.beta3 of the `beta` and…

Severity
High 7.5
Published
17 Mar 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 before 3.1.0
  • Version 3.1.0-beta1
  • Version 3.1.0-beta2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-28111
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-28111