GO-2026-4297

vendorUSosv

Mattermost Server has intermittent Authorization bypass for resource-owners in github.com/mattermost/mattermost-server

view advisory published 2026-01-13Licence: per source

Mattermost Server has intermittent Authorization bypass for resource-owners in github.com/mattermost/mattermost-server

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2017-18894UShigh8.1—
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. Sometimes. resource-owner authorization is bypassed, allowi…
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references

External citations — patches, advisories, analysis.

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