ChangeIntel IT change radar
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Some sources or documents need attention: 275/275 feeds/APIs · 469/469 docs · 9/9 advisories · checked 10:47 UTC Customize Public modeDiscuss ChangeIntel on Discord
CVE-2026-16453Published

Mattermost SAML RelayState forgery allows unauthorized team membership

Recorded JSON

Explicit identifiers and source references

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-16453 · Microsoft / collected KEV context

cve-program · CVE-2026-16453

Related operational evidence

Explicit CVE identifiers

No related operational record is retained in the current change model.

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 9 Nov 10:47 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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