CVE-2024-39839

unknown

Published 2024-08-01 · Modified 2026-03-03

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v2

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VIR risk

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Description

Mattermost allows a user on a remote to set their remote username prop to an arbitrary string in github.com/mattermost/mattermost-server

Predictions

Exploit likelihood

30%

Patch ETA

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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

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/mattermost/mattermost/server/v8	`>=9.5.0,<9.5.7`	`9.5.7`
Go	github.com/mattermost/mattermost/server/v8	`>=9.7.0,<9.7.6`	`9.7.6`
Go	github.com/mattermost/mattermost/server/v8	`>=9.8.0,<9.8.2`	`9.8.2`
Go	github.com/mattermost/mattermost/server/v8	`>=9.9.0,<9.9.1`	`9.9.1`
Go	github.com/mattermost/mattermost-server	`>=9.9.0+incompatible,<9.9.1+incompatible`	`9.5.7+incompatible`
Go	github.com/mattermost/mattermost-server/v5
Go	github.com/mattermost/mattermost-server/v6
Go	github.com/mattermost/mattermost/server/v8

References

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