{"cve":"CVE-2019-18848","nvd":{"published":"2019-11-12T15:15:10.880","modified":"2026-06-17T02:25:27.840","status":"Modified","description":"The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-287"],"references":["https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a","https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0","https://lists.debian.org/debian-lts-announce/2020/10/msg00001.html","https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a","https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0"],"products":["debian:debian_linux","json-jwt_project:json-jwt"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-18848","score":0.01257,"percentile":0.69552,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cff7-6h4q-q5pj","url":"https://osv.dev/vulnerability/GHSA-cff7-6h4q-q5pj","summary":"JSON-jwt Gem lacked element count during splitting of JWE string","modified":"2024-02-16T08:11:06.297947Z","packages":[{"ecosystem":"RubyGems","name":"json-jwt","purl":"pkg:gem/json-jwt","ranges":["<1.11.0"],"fixed":["1.11.0"]}]}],"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."]}