Medium (4.3). EPSS 1.4% chance of exploitation in the next 30 days. Fixed in org.jenkins-ci.main:jenkins-core 2.138.4, 2.154.
An information exposure vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in DirectoryBrowserSupport.java that allows attackers with the ability to control build output to browse the file system on agents running builds beyond the duration of the build using the workspace browser.
Severity
CVSS 3.0
4.3 medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)