What is CVE-2023-40338?

CVE-2023-40338 is a medium-severity vulnerability in Jenkins Folders, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2023-08-16.

How severe is CVE-2023-40338?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Jenkins Folders

CVE-2023-40338

Jenkins Folders Plugin 6.846.v23698686f0f6 and earlier displays an error message that includes an absolute path of a log file when attempting to access the Scan Organization Folder Log if no logs are available, exposing information about the Jenkins controller file system.

Published 2023-08-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Jenkins Folders
Jenkins Project Folders Plugin — versions 0

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.jenkins.io/security/advisory/2023-08-16/ (vendor-advisory, Vendor Advisory)
www.openwall.com/lists/oss-security/2023/08/16/3 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40338?: CVE-2023-40338 is a medium-severity vulnerability in Jenkins Folders, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2023-08-16.
How severe is CVE-2023-40338?: Medium severity. CVSS v3 base score is 4.3 out of 10.