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EUVD-2026-30754Published

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to sanitize sensitive configuration fields before including them in support packet generation, which allows a Mattermost System Admin or any party with access …

Exact source revision recorded 3 Nov 2026 12:05:55 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2026-30754

Published

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to sanitize sensitive configuration fields before including them in support packet generation, which allows a Mattermost System Admin or any party with access to a support packet to obtain sensitive credentials in plaintext via downloading a support packet from the System Console.. Mattermost Advisory ID: MMSA-2026-00607

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: May 18, 2026, 8:37:10 AM

dateUpdated: May 18, 2026, 2:37:17 PM

Source published
May 18, 2026, 8:37:10 AM (timezone not stated)
Source modified
May 18, 2026, 2:37:17 PM (timezone not stated)
Observed here
3 Nov 2026 12:05:55 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 · 8.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

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Sources read 9 Nov 23:26 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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