cve.bz

CVE-2023-4105

4.3 mediumEPSS 0.4%

Medium (4.3) in mattermost mattermost. EPSS 0.4% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server/v6 7.10.4, 7.8.8, 7.9.6.

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

Severity

CVSS 3.1

4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)
CWE
CWE-862
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-g3v6-r8p9-wxg9Gogithub.com/mattermost/mattermost-server/v6>=7.9.0 <7.9.67.9.6
GHSA-g3v6-r8p9-wxg9Gogithub.com/mattermost/mattermost-server/v6>=7.10.0 <7.10.47.10.4
GHSA-g3v6-r8p9-wxg9Gogithub.com/mattermost/mattermost-server/v6<7.8.87.8.8

References

Check your stackJSON