{"cve":"CVE-2022-29970","nvd":{"published":"2022-05-02T05:15:06.767","modified":"2026-06-17T04:41:03.527","status":"Modified","description":"Sinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.","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:N/A:N","score":7.5},"cwes":["CWE-22"],"references":["https://github.com/sinatra/sinatra/pull/1683/commits/462c3ca1db53ed3cfc394cf5948e9c948ad1c10e","https://lists.debian.org/debian-lts-announce/2022/10/msg00034.html","https://github.com/sinatra/sinatra/pull/1683/commits/462c3ca1db53ed3cfc394cf5948e9c948ad1c10e","https://lists.debian.org/debian-lts-announce/2022/10/msg00034.html","https://lists.debian.org/debian-lts-announce/2024/09/msg00020.html"],"products":["debian:debian_linux","sinatrarb:sinatra"],"source":"nvd","synced_at":"2026-10-19T21:30:03.577988018+00:00"},"epss":{"cve":"CVE-2022-29970","score":0.02137,"percentile":0.8202,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qp49-3pvw-x4m5","url":"https://osv.dev/vulnerability/GHSA-qp49-3pvw-x4m5","summary":"sinatra does not validate expanded path matches","modified":"2025-11-04T19:59:48.796726Z","packages":[{"ecosystem":"RubyGems","name":"sinatra","purl":"pkg:gem/sinatra","ranges":["<2.2.0"],"fixed":["2.2.0"]}]}],"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."]}