4.3

CVE-2026-9824

EPSS 0.16%
Veröffentlicht 13.07.2026 10:47:33
Zuletzt bearbeitet 13.07.2026 20:38:00
Erkennungen
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Remote cluster metadata enumeration via /share-channel autocomplete

Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to check the manage_shared_channels permission in the /share-channel autocomplete handler, which allows an authenticated user without that permission to enumerate configured remote cluster connection metadata via slash command autocomplete.. Mattermost Advisory ID: MMSA-2026-00676

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 4

NVD 3 VulnDex Vulnerability Enrichment 1

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Mattermost ≫ Mattermost Server Version >= 10.11.0 < 10.11.20

Mattermost ≫ Mattermost Server Version >= 11.6.0 < 11.6.5

Mattermost ≫ Mattermost Server Version >= 11.7.0 < 11.7.3

VulnDex Vulnerability Enrichment

Diese Information steht angemeldeten Benutzern zur Verfügung.

Zu dieser CVE wurde keine Warnung gefunden.

EPSS Metriken
Typ	Quelle	Score	Percentile
EPSS	FIRST.org	0.16%	0.057

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
responsibledisclosure@mattermost.com	4.3	2.8	1.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

https://mattermost.com/security-updates

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2026-9824

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-9824

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-9824

EUVD