{"action":"Upgrade com.thoughtworks.xstream:xstream to 1.4.14-java7 or later.","affected":[{"fixed":"1.4.14-java7","introduced":"0"}],"component":"com.thoughtworks.xstream:xstream","cve_ids":["CVE-2020-26217"],"ecosystem":"Maven","epss":0.82717,"exploited":false,"fixed_versions":["1.4.14-java7"],"ghsa_id":"GHSA-mw36-7c6c-q4q2","id":"tcs_01M5N95WMT5GX5AF8GDZR5NQ3F","modified_at":"2026-07-08T05:59:56.422006310Z","published_at":"2020-11-16T20:07:59Z","references":["https://osv.dev/vulnerability/GHSA-mw36-7c6c-q4q2","https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2","https://nvd.nist.gov/vuln/detail/CVE-2020-26217","https://github.com/x-stream/xstream/commit/0fec095d534126931c99fd38e9c6d41f5c685c1a","https://x-stream.github.io/CVE-2020-26217.html","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpujan2022.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.oracle.com//security-alerts/cpujul2021.html","https://www.debian.org/security/2020/dsa-4811","https://security.netapp.com/advisory/ntap-20210409-0004","https://lists.debian.org/debian-lts-announce/2020/12/msg00001.html","https://lists.apache.org/thread.html/redde3609b89b2a4ff18b536a06ef9a77deb93d47fda8ed28086fa8c3@%3Cissues.activemq.apache.org%3E","https://lists.apache.org/thread.html/r826a006fda71cc96fc87b6eca4b5d195f19a292ad36cea501682c38c@%3Cissues.activemq.apache.org%3E","https://lists.apache.org/thread.html/r7c9fc255edc0b9cd9567093d131f6d33fde4c662aaf912460ef630e9@%3Ccommits.camel.apache.org%3E","https://lists.apache.org/thread.html/r2de526726e7f4db4a7cb91b7355070779f51a84fd985c6529c2f4e9e@%3Cissues.activemq.apache.org%3E","https://github.com/x-stream/xstream"],"severity":{"label":"high","score":8},"sources":[{"source":"osv","source_id":"GHSA-mw36-7c6c-q4q2","url":"https://osv.dev/vulnerability/GHSA-mw36-7c6c-q4q2"}],"summary":"XStream can be used for Remote Code Execution"}