AUGUST 4, 2026
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Case File

CVE-2021-37859

HIGH · CVSS 7.1 EPSS 3.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-05 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.1. See the original NVD description below for full technical details.

CVE
CVE-2021-37859
Severity
HIGH
CVSS
7.1
EPSS
3.29%

Original NVD Description

Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-7521 MEDIUM CVE-2026-10819 MEDIUM CVE-2026-10600 MEDIUM CVE-2026-9602 MEDIUM CVE-2026-8075 MEDIUM CVE-2026-9824 MEDIUM