8.8

CVE-2026-3524

EPSS 0.38%
Veröffentlicht 06.04.2026 12:06:22
Zuletzt bearbeitet 06.08.2026 14:21:13
Erkennungen
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Authorization Bypass in Mattermost Legal Hold Plugin Due to Missing Return After Permission Check

Mattermost Plugin Legal Hold versions <=1.1.4 fail to halt request processing after a failed authorization check in ServeHTTP which allows an authenticated attacker to access, create, download, and delete legal hold data via crafted API requests to the plugin's endpoints. Mattermost Advisory ID: MMSA-2026-00621

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 4

NVD 1 VulnDex Vulnerability Enrichment 1

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Mattermost ≫ Legal Hold SwPlatform mattermost Version < 1.1.5

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	0.38%	0.294

CVSS Metriken
Quelle	Base Score	Exploit Score	Impact Score	Vector String
responsibledisclosure@mattermost.com	8.8	2.8	5.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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-2026-3524

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-3524

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-3524

EUVD