{"id":"CVE-2025-27511","aliases":["GHSA-g628-r368-6vh7"],"url":"https://o3.security/vulnerability/CVE-2025-27511","summary":"GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection","details":"## Summary\n\nAdministrator can perform JNDI attack through specially crafted DB2 jdbc url leading to Remote Code Execution (RCE).\n\n## Impact\n\nIf GeoServer has DB2 extension installed, this vulnerability can lead to executing arbitrary code.\n\n## Details\n\nAuthenticated users can access Vector Data Sources page to creating a new data store through db2 jdbc connection, performing JNDI attack due to unrestricted connection parameters, and then achieve RCE with deserialization of untrusted data.\n\n### Remediation\n\nThis issue has been fixed in this release: https://github.com/geoserver/geoserver/releases/tag/2.27.0.\n\n## References\n\n* https://osgeo-org.atlassian.net/browse/GEOT-7725\n* https://nvd.nist.gov/vuln/detail/cve-2023-27867","published":"2026-06-18T14:23:01.788Z","modified":"2026-08-12T03:51:12.908650393Z","cvss":{"score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01074,"percentile":0.62634,"asOf":"2026-09-02"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.geoserver.extension:gs-db2","fixedVersion":"2.27.0"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/geoserver/geoserver/releases/tag/2.27.0"},{"type":"WEB","url":"https://osgeo-org.atlassian.net/browse/GEOT-7725"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27511.json"},{"type":"ADVISORY","url":"https://github.com/geoserver/geoserver/security/advisories/GHSA-g628-r368-6vh7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27511"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/cve-2023-27867"},{"type":"PACKAGE","url":"https://github.com/geoserver/geoserver"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:12.908650393Z"}}