UpHeron
All vulnerabilities

Servers and applications

CVE-2022-2406

The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.

Severity
Medium 6.5
Published
14 Jul 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MattermostServers and applications · cpe:a:mattermost:mattermost
  • Every version up to 6.3.8
  • From 6.4.0 up to 6.5.1
  • Version 6.6.0
  • Version 6.6.1
  • Version 6.7.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-2406
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-2406