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Open-source package vulnerability · Go

CVE-2025-20051: Mattermost allows reading arbitrary files

criticalCVSS 3.1 9.9GHSA-v469-7wp6-7cvp

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.

Published Feb 24, 2025

Affected packages

github.com/mattermost/mattermost/server/v8

Ecosystem
Go
Affected
< 8.0.0-20250122165010-4ed702ccff4e
Fixed in
8.0.0-20250122165010-4ed702ccff4e
Check
go list -m github.com/mattermost/mattermost/server/v8

github.com/mattermost/mattermost/server/v8

Ecosystem
Go
Affected
>= 9.11.0-rc1, < 9.11.8
Fixed in
9.11.8
Check
go list -m github.com/mattermost/mattermost/server/v8

github.com/mattermost/mattermost/server/v8

Ecosystem
Go
Affected
>= 10.2.0-rc1, < 10.2.3
Fixed in
10.2.3
Check
go list -m github.com/mattermost/mattermost/server/v8

github.com/mattermost/mattermost/server/v8

Ecosystem
Go
Affected
>= 10.3.0-rc1, < 10.3.3
Fixed in
10.3.3
Check
go list -m github.com/mattermost/mattermost/server/v8

github.com/mattermost/mattermost/server/v8

Ecosystem
Go
Affected
>= 10.4.0-rc1, < 10.4.2
Fixed in
10.4.2
Check
go list -m github.com/mattermost/mattermost/server/v8

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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