AUGUST 4, 2026
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Case File

CVE-2025-55073

MEDIUM · CVSS 5.4 EPSS 0.18%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-11-14 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.4. See the original NVD description below for full technical details.

CVE
CVE-2025-55073
Severity
MEDIUM
CVSS
5.4
EPSS
0.18%

Original NVD Description

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to validate the relationship between the post being updated and the MSTeams plugin OAuth flow which allows an attacker to edit arbitrary posts via a crafted MSTeams plugin OAuth redirect URL.

Related CVEs

Other vulnerabilities affecting the same vendor(s)