CVE-2025-9084

unknown

Published 2025-09-15 · Modified 2026-03-03

CVSS v3

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

CVSS v2

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VIR risk

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Description

Mattermost Open Redirect vulnerability 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	`<8.0.0-202508080704-39bd251fe4f600`	`8.0.0-202508080704-39bd251fe4f600`
Go	github.com/mattermost/mattermost-server	`>=10.5.0,<10.5.10`	`10.5.10`
Go	github.com/mattermost/mattermost-server	`>=10.5.0+incompatible,<10.5.10+incompatible`	`10.5.10+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.