{"id":"CVE-2019-19899","aliases":["GHSA-83m8-7hj8-ff5w"],"url":"https://o3.security/vulnerability/CVE-2019-19899","summary":"Pebble Templates Improper Input Validation vulnerability","details":"Pebble Templates prior to 3.1.4 allows attackers to bypass a protection mechanism (intended to block access to instances of java.lang.Class) because getClass is accessible via the public static java.lang.Class `java.lang.Class.forName(java.lang.Module,java.lang.String)` signature.","published":"2019-12-19T00:15:12.767Z","modified":"2026-07-08T20:04:44.283404Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Maven","name":"io.pebbletemplates:pebble-project","fixedVersion":"3.1.4"}],"fix":{"url":"https://github.com/PebbleTemplates/pebble/pull/511","label":"PebbleTemplates/pebble#511"},"references":[{"type":"EVIDENCE","url":"https://github.com/PebbleTemplates/pebble/issues/493"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-19899"},{"type":"WEB","url":"https://github.com/PebbleTemplates/pebble/pull/511"},{"type":"PACKAGE","url":"https://github.com/PebbleTemplates/pebble"},{"type":"WEB","url":"https://research.securitum.com/server-side-template-injection-on-the-example-of-pebble"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:04:44.283404Z"}}