GO-2025-4191

vendorUSosv

Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server

view advisory published 2025-12-15Licence: per source

Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server. 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-server before v4.1.2-0.20171004201910-6be8113eb60c, before v4.2.1-0.20171004192657-8fbbd688ea24.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2017-18878USmedium4.3—
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.
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references

External citations — patches, advisories, analysis.

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