P4Verified

CVE-2025-62690: mattermost server from 10.11.0 (inclusive), before 10.11.5 (exclusive); +1 more affected products

CVE-2025-62690. CVSS 3.1 base score 6.1 (MEDIUM, NVD). EPSS 0.00149 (percentile 0.03587), scored 12-Oct-2026.

Affected technology

mattermost server · from 10.11.0 (inclusive), before 10.11.5 (exclusive)
mattermost

Mattermost · 10.11.0 through 10.11.4
Mattermost

Description’s affected range: versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

An attacker can redirect a victim to a malicious site via a crafted link opened in a new tab. Vendor/CNA’s CVSS 3.1 assessment (base score 3.1/10) rates confidentiality and availability impact as none; integrity impact as low. NVD’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 13-Oct-2026 13:57 UTC

CWE: CWE-601
CCR priority: 24.4 /100 (P4)
CVSS 3.1: 6.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · NVD
EPSS: 0.00149 · percentile 0.03587 · 2026-10-12
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-13 13:56:14.349801+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-62690.html