{"cve":"CVE-2023-39106","nvd":{"published":"2023-08-21T17:15:48.587","modified":"2026-06-17T06:11:34.950","status":"Modified","description":"An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.","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:H/A:H","score":8.8},"cwes":["CWE-502"],"references":["https://github.com/nacos-group/nacos-spring-project/issues/314","https://github.com/nacos-group/nacos-spring-project/issues/314"],"products":["alibabacloud:nacos_spring_project"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2023-39106","score":0.01294,"percentile":0.70325,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v6c8-pwhq-288m","url":"https://osv.dev/vulnerability/GHSA-v6c8-pwhq-288m","summary":"Nacos Spring vulnerable to Unsafe Deserialization","modified":"2024-02-16T08:23:35.689660Z","packages":[{"ecosystem":"Maven","name":"com.alibaba.nacos:nacos-spring-context","purl":"pkg:maven/com.alibaba.nacos/nacos-spring-context","ranges":["<=1.1.1"],"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."]}