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CVE-2026-96259
MEDIUM(5.5)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Risk Signal Score19/100 — NIEDRIG
- CVSS 5.5 — Mittel
Erwähnungen (letzte 60 Tage)
Artikel
EPSS-Score
0.3%
Exploit-Wahrscheinlichkeit (30 Tage)
CVSS Score
5.5
Technische Schwere
Beschreibung
Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to apply the internal-connection filter to OAuth endpoint requests, which allows a System Administrator to make the server issue requests to internal network addresses and read the responses via the configured OAuth token and userinfo endpoints.. Mattermost Advisory ID: MMSA-2026-00776