What is CVE-2026-33004?

CVE-2026-33004 is a medium-severity vulnerability in Jenkins Loadninja, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-03-18.

How severe is CVE-2026-33004?

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

Information disclosure in Jenkins Loadninja

CVE-2026-33004

Jenkins LoadNinja Plugin 2.1 and earlier does not mask LoadNinja API keys displayed on the job configuration form, increasing the potential for attackers to observe and capture them.

Vulnerability class: Information Disclosure

Published 2026-03-18 · 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: 0.003 (21.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Jenkins Loadninja
Jenkins Project Loadninja Plugin — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.jenkins.io/security/advisory/2026-03-18/ (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33004?: CVE-2026-33004 is a medium-severity vulnerability in Jenkins Loadninja, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-03-18.
How severe is CVE-2026-33004?: Medium severity. CVSS v3 base score is 4.3 out of 10.