Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-27936

Mattermost Plugin MSTeams versions <2.1.0 and Mattermost Server versions 10.5.x <=10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack during webhook secret comparison.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.3%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2025-27936


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