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GO-2026-4275

Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira

Quick fix

GO-2026-4275 — github.com/mattermost/mattermost/server/v8: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost/server/v8@v8.0.0-20251121122154-b57c297c6d7a

Details

Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/mattermost/mattermost-plugin-jira before v4.4.1.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost-plugin-jira
Introduced in: 0

No fixed version published yet for github.com/mattermost/mattermost-plugin-jira (go modules). Pin to a known-safe version or switch to an alternative.

Go/github.com/mattermost/mattermost-server
Introduced in: 0

No fixed version published yet for github.com/mattermost/mattermost-server (go modules). Pin to a known-safe version or switch to an alternative.

Go/github.com/mattermost/mattermost-server/v5
Introduced in: 0

No fixed version published yet for github.com/mattermost/mattermost-server/v5 (go modules). Pin to a known-safe version or switch to an alternative.

Go/github.com/mattermost/mattermost-server/v6
Introduced in: 0

No fixed version published yet for github.com/mattermost/mattermost-server/v6 (go modules). Pin to a known-safe version or switch to an alternative.

Go/github.com/mattermost/mattermost/server/v8
Introduced in: 0Fixed in: 8.0.0-20251121122154-b57c297c6d7a
Fixgo get github.com/mattermost/mattermost/server/v8@v8.0.0-20251121122154-b57c297c6d7a

References