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GHSA-hm95-jx66-g2ghPublished

Mattermost Open Redirect vulnerability

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-hm95-jx66-g2gh

Published

Mattermost versions 10.5.x <= 10.5.9 fail to properly validate redirect URLs which allows attackers to redirect users to malicious sites via crafted OAuth login URLs.

Source published
15 Sep 2025 12:31:25 UTC
Source modified
17 Sep 2025 17:42:24 UTC
Observed here
24 Oct 2026 13:19:41 UTC
Source terms
GitHub Advisory Database · CC-BY-4.0

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

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V3 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Publisher rating · LOW

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 8 Nov 22:08 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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