{"id":"CVE-2025-70974","title":"Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class","summary":"Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of …","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-829"],"published":"2026-01-09","updated":"2026-06-27","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-70974","references":[{"url":"https://cert.360.cn/warning/detail?id=7240aeab581c6dc2c9c5350756079955","label":"cve@mitre.org"},{"url":"https://github.com/alibaba/fastjson/compare/1.2.47...1.2.48","label":"cve@mitre.org"},{"url":"https://github.com/vulhub/vulhub/tree/master/fastjson/1.2.47-rce","label":"cve@mitre.org"},{"url":"https://www.cloudsek.com/blog/androxgh0st-continues-exploitation-operators-compromise-a-us-university-for-hosting-c2-logger","label":"cve@mitre.org"},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2019-22238","label":"cve@mitre.org"},{"url":"https://www.freebuf.com/vuls/208339.html","label":"cve@mitre.org"},{"url":"https://www.seebug.org/vuldb/ssvid-98020","label":"cve@mitre.org"},{"url":"https://access.redhat.com/security/cve/CVE-2025-70974","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2428203","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-70974.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-70974"},{"url":"https://web.archive.org/web/20220121055754/https://cert.360.cn/warning/detail?id=7240aeab581c6dc2c9c5350756079955"},{"url":"https://github.com/advisories/GHSA-jm7w-5684-pvh8"}],"tags":["nvd","ghsa","maven"],"epss":0.00746,"epssPercentile":0.54623,"ingestedAt":"2026-06-29T13:24:34.627Z","aliases":["GHSA-jm7w-5684-pvh8"],"ecosystem":"maven","vendor":"alibaba","product":"com.alibaba:fastjson","affected":["com.alibaba:fastjson < 1.2.48"],"patched":["com.alibaba:fastjson 1.2.48"],"slug":"CVE-2025-70974","body":"## Overview\n\nFastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key is the name of a Java class, there may be calls to certain public methods of that class. Depending on the behavior of those methods, there may be JNDI injection with an attacker-supplied payload located elsewhere in that JSON document. This was exploited in the wild in 2023 through 2025. NOTE: this issue exists because of an incomplete fix for CVE-2017-18349. Also, a later bypass is covered by CVE-2022-25845.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2025-70974)\n\nAffected packages:\n\n- `com.alibaba:fastjson < 1.2.48`\n\nPatched in:\n\n- `com.alibaba:fastjson 1.2.48`\n\nSource: https://github.com/advisories/GHSA-jm7w-5684-pvh8","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}