All vulnerabilities

Servers and applications

CVE-2023-6727

Mattermost fails to perform correct authorization checks when creating a playbook action, allowing users without access to the playbook to create playbook actions. If the playbook action created is to post a message in a channel based on specific keywords in a post, some playbook information, like the name, can be leaked.

Severity
Medium 4.3
Published
12 Dec 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version up to 8.1.5
  • From 9.2.0 up to 9.2.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-6727
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-6727