CVE-2021-21638: Jenkins Team Foundation Server

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A cross-site request forgery (CSRF) vulnerability in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Affected products

• Jenkins Team Foundation Server: up to and including 5.157.1

Published 2021-03-30. Last modified 2026-06-17.