CRITICALGo

Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints

Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints

CVE-2026-7387Published 2 months agoUpdated 1 day agoSource: OSV

Affected packages

  • github.com/mattermost/mattermost-server
  • github.com/mattermost/mattermost/server/v8

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
EPSS percentile

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints | HackTribune