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Some sources, documents or advisories need attention: 275/275 feeds/APIs · 469/469 docs · 7/9 advisories · checked 00:29 UTC Customize Public modeDiscuss ChangeIntel on Discord
GHSA-vqp5-2mrp-qqxgPublished

Mattermost doesn't validate the Host header when constructing response URLs for custom slash command

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

Recorded JSON

osv · GHSA-vqp5-2mrp-qqxg

Published

github.com/mattermost/mattermost/server/v8

Go

SEMVER · introduced 11.5.0 → fixed 11.5.2

github.com/mattermost/mattermost/server/v8

Go

SEMVER · introduced 10.11.0 → fixed 10.11.14

github.com/mattermost/mattermost/server/v8

Go

SEMVER · introduced 0 → fixed 8.0.0-20260325160634-e738016c5920

github.com/mattermost/mattermost-server

Go

SEMVER · introduced 0 → fixed 5.3.2-0.20260325160634-e738016c5920

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 00:29 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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