CVE-2026-2455 PUBLISHED CVSS 4.300000190734863 MEDIUM

Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation

EPSS 0.03% · 8.4th percentile

Risk Scores

CVSS v3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS Score
0.03%
8.4th percentile

Affected Products

VendorProductVersions
MattermostMattermost11.2.0, 11.3.0, 10.11.0
mattermostmattermost_server11.2.0, 10.11.0, 11.3.0
github.commattermost/mattermost-server11.3.0-rc1, 10.11.0-rc1, 11.2.0-rc1
github.commattermost/mattermost/server/v80, 0

Timeline

References

Open in Interactive Console →