CVE-2026-84648 [HIGH] – In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not esca

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not escape log record metadata (source, level, and timestamp) resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.