{"cve":"CVE-2026-57303","nvd":{"published":"2026-06-24T14:17:36.407","modified":"2026-10-25T22:10:00.150","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1},"cwes":["CWE-918"],"references":["https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3692%20(1)"],"products":["jenkins:assembla"],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-57303","score":0.00359,"percentile":0.29316,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-2q27-6p2h-q6r3","url":"https://osv.dev/vulnerability/GHSA-2q27-6p2h-q6r3","summary":"Jenkins Assembla Plugin has an XXE vulnerability","modified":"2026-09-25T20:00:39.698462552Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:assembla","purl":"pkg:maven/org.jenkins-ci.plugins/assembla","ranges":["<=1.4"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}