cve.bz

CVE-2023-5193

2.7 lowEPSS 0.6%

Low (2.7) in mattermost mattermost. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.0.2, 8.1.1.

Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the permission to manage channels to read the posts of a DM conversation.

Severity

CVSS 3.1

2.7 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE
CWE-863
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-h8wh-f7gw-fwprGogithub.com/mattermost/mattermost/server/v8>=8.1.0 <8.1.18.1.1
GHSA-h8wh-f7gw-fwprGogithub.com/mattermost/mattermost/server/v8>=8.0.0 <8.0.28.0.2
GHSA-h8wh-f7gw-fwprGogithub.com/mattermost/mattermost-server/v6<7.8.107.8.10

References

Check your stackJSON