GO-2025-4197

vendorUSosv

Mattermost Server exposes OAuth personal access tokens to attackers in github.com/mattermost/mattermost-server

view advisory published 2025-12-08Licence: per source

Mattermost Server exposes OAuth personal access tokens to attackers in github.com/mattermost/mattermost-server

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2017-18884UShigh8.1OT elevated—
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tok…
02

references

External citations — patches, advisories, analysis.

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