{"cve":"CVE-2021-26120","nvd":{"published":"2021-02-22T02:15:14.323","modified":"2026-06-17T03:42:55.233","status":"Modified","description":"Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-94"],"references":["https://github.com/smarty-php/smarty/blob/master/CHANGELOG.md","https://lists.debian.org/debian-lts-announce/2021/04/msg00004.html","https://lists.debian.org/debian-lts-announce/2021/04/msg00014.html","https://security.gentoo.org/glsa/202105-06","https://www.debian.org/security/2022/dsa-5151"],"products":["debian:debian_linux","smarty:smarty"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-26120","score":0.82316,"percentile":0.9966,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}