All vulnerabilities

Servers and applications

CVE-2023-1777

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

Severity
Medium 5.3
Published
31 Mar 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.1.6
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost_server
  • Every version before 7.1.6
  • Version 7.7.1
  • Version 7.8.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-1777
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-1777