CVE-2025-49222

unknown
Published 2025-08-21 · Modified 2026-03-03
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS v2
VIR risk

Description

Mattermost Fails to Validate Remote Cluster Upload Sessions in github.com/mattermost/mattermost-server

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

EcosystemPackageVulnerableFixed
golang Gogithub.com/mattermost/mattermost-server>=10.8.0,<10.8.410.8.4
golang Gogithub.com/mattermost/mattermost-server>=10.5.0,<10.5.910.5.9
golang Gogithub.com/mattermost/mattermost-server>=9.11.0,<9.11.189.11.18
golang Gogithub.com/mattermost/mattermost-server>=10.9.0,<10.9.310.9.3
golang Gogithub.com/mattermost/mattermost-server>=10.10.0,<10.10.110.10.1
golang Gogithub.com/mattermost/mattermost/server/v8<8.0.0-20250708173752-d6b35c41f0ae58.0.0-20250708173752-d6b35c41f0ae5
golang Gogithub.com/mattermost/mattermost-server/v5<=5.39.3
golang Gogithub.com/mattermost/mattermost-server/v6<=5.7.2
golang Gogithub.com/mattermost/mattermost-server>=10.10.0+incompatible,<10.10.1+incompatible9.11.18+incompatible
golang Gogithub.com/mattermost/mattermost-server/v5
golang Gogithub.com/mattermost/mattermost-server/v6
golang Gogithub.com/mattermost/mattermost/server/v8

References

Verify integrity in audit chain (admin only). AS-IS.