CVE-2026-12985

תיאור (מקור, אנגלית)

Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7 Mattermost failed to validate Dynamic Client Registration redirect URIs by URL component (matching glob patterns against the raw URI string instead) which allows a remote unauthenticated attacker to register an OAuth client with an attacker-controlled callback host that bypasses the configured redirect URI allowlist via a crafted redirect URI that places an allowlisted host/path suffix inside the query string.. Mattermost Advisory ID: MMSA-2026-00700

מדדים

CVSS 3.1

6.8 (MEDIUM) מקור הציון: CNA CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-2/10/2026

CWE

CWE-601

קישורים

• https://mattermost.com/security-updates