{"id":"CVE-2026-57303","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-57303","generatedAt":"2026-10-28T02:21:22.316Z","title":"Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or…","description":"Jenkins Assembla Plugin 1.4 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks, allowing attackers able to control the responses of the configured Assembla server to extract secrets from the Jenkins controller or perform server-side request forgery.","published":"2026-06-24T14:17:36.000Z","lastModified":"2026-10-25T22:10:00.000Z","status":"Analyzed","sourceIdentifier":"jenkinsci-cert@googlegroups.com","cvss":{"version":"3.1","score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"},"cwe":["CWE-918"],"affected":["jenkins/assembla"],"epss":{"score":0.00359,"percentile":0.29349,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(1)","tags":["Vendor Advisory"],"source":"jenkinsci-cert@googlegroups.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-57303","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}