The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when constructing API route paths which allows an attacker to redirect API calls to unintended endpoints via crafted…
Exact source revision recorded 3 Nov 2026 22:59:33 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2026-39661
PublishedThe Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when constructing API route paths which allows an attacker to redirect API calls to unintended endpoints via crafted IDs containing path traversal components. Mattermost Advisory ID: MMSA-2025-00532
EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
Original publisher date fields
datePublished: Jun 26, 2026, 1:47:10 PM
dateUpdated: Jun 26, 2026, 2:39:00 PM
1 related source bulletins · separate from aliases
WID-SEC-W-2026-2107: Mattermost Server: Mehrere Schwachstellen
CVE-2026-13426 · CVE-2026-9597
- Source published
- Jun 26, 2026, 1:47:10 PM (timezone not stated)
- Source modified
- Jun 26, 2026, 2:39:00 PM (timezone not stated)
- Observed here
- 3 Nov 2026 22:59:33 UTC
- Source terms
- ENISA EUVD · source terms and attribution apply
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: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.
EUVD CVSS 3.1 · 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N