All vulnerabilities

Servers and applications

CVE-2021-41163

Discourse is an open source platform for community discussion. In affected versions maliciously crafted requests could lead to remote code execution. This resulted from a lack of validation in subscribe_url values. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. To workaround the issue without updating, requests with a path starting /webhooks/aws path…

Severity
Critical 9.8
Published
20 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.7.9
Sources
NVD

Affected software

SoftwareAffected versions
DiscourseServers and applications · cpe:a:discourse:discourse
  • Version 2.8.0-beta6
  • Version 2.8.0-beta5
  • Version 2.8.0-beta4
  • Version 2.8.0-beta3
All 7 release lines
  • Every version before 2.7.9
  • Version 2.8.0-beta1
  • Version 2.8.0-beta2
  • Version 2.8.0-beta3
  • Version 2.8.0-beta4
  • Version 2.8.0-beta5
  • Version 2.8.0-beta6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-41163
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-41163