Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects
Exact source revision recorded 5 Nov 2026 01:58:36 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2025-198045
PublishedMattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects
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: Nov 18, 2025, 3:23:29 PM
dateUpdated: Nov 18, 2025, 9:03:22 PM
- Source published
- Nov 18, 2025, 3:23:29 PM (timezone not stated)
- Source modified
- Nov 18, 2025, 9:03:22 PM (timezone not stated)
- Observed here
- 5 Nov 2026 01:58:36 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 · 3.0 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N