CVE-2026-16046

EPSS 0.15%
Veröffentlicht 17.08.2026 14:24:14
Zuletzt bearbeitet 18.08.2026 20:34:52
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Missing run-state validation on finished playbook runs

Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to enforce run-state validation on write operations for finished playbook runs which allows a run participant to modify status, checklists, retrospective content, ownership, and participants on completed runs via REST and GraphQL API requests. Mattermost Advisory ID: MMSA-2026-00675

Betroffene Produkte Warnungen 0 Metriken 2 CWE 1 Referenzen 4

NVD 2 VulnDex Vulnerability Enrichment 1

Daten sind bereitgestellt durch National Vulnerability Database (NVD)

Mattermost ≫ Mattermost Server Version >= 10.11.0 < 10.11.22

Mattermost ≫ Mattermost Server Version >= 11.7.0 < 11.7.7

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	0.15%	0.049

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:N/I:L/A:N

CWE-863 Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

https://mattermost.com/security-updates

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2026-16046

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2026-16046

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2026-16046

EUVD

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CVE-2026-16046