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Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection

Exact source revision recorded 24 Oct 2026 13:19:41 UTC. It does not establish the source's current position. Latest evidence.

osv · GHSA-jf5h-xfw4-p8gp

Published

github.com/mattermost/mattermost/server/v8

Go

SEMVER · introduced 10.11.0-rc1 → fixed 10.11.7-0.20251106103514-3b05384dd014

github.com/mattermost/mattermost

Go

SEMVER · introduced 0 → fixed 10.11.7-0.20251106103514-3b05384dd014

github.com/mattermost/mattermost

Go

SEMVER · introduced 11.0.0-alpha.1 → fixed 11.1.0

github.com/mattermost/mattermost-plugin-github

Go

SEMVER · introduced 0 → fixed 1.0.1-0.20250829075715-0deffcfc6bee

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 09:28 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current