What is CVE-2026-33003?

CVE-2026-33003 is a medium-severity vulnerability in Jenkins Loadninja, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.3/10. Published 2026-03-18.

How severe is CVE-2026-33003?

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

Vulnerability in Jenkins Loadninja

CVE-2026-33003

Jenkins LoadNinja Plugin 2.1 and earlier stores LoadNinja API keys unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read permission or access to the Jenkins controller file system.

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: 0.002 (8.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Jenkins Loadninja
Jenkins Project Loadninja Plugin — versions 0

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

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

Frequently asked questions

What is CVE-2026-33003?: CVE-2026-33003 is a medium-severity vulnerability in Jenkins Loadninja, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.3/10. Published 2026-03-18.
How severe is CVE-2026-33003?: Medium severity. CVSS v3 base score is 4.3 out of 10.