{"cve":"CVE-2020-5280","nvd":{"published":"2020-03-25T18:15:14.237","modified":"2026-06-17T03:21:11.577","status":"Modified","description":"http4s before versions 0.18.26, 0.20.20, and 0.21.2 has a local file inclusion vulnerability. This vulnerability applies to all users of org.http4s.server.staticcontent.FileService, org.http4s.server.staticcontent.ResourceService and org.http4s.server.staticcontent.WebjarService. URI normalization is applied incorrectly. Requests whose path info contain ../ or // can expose resources outside of the configured location. This issue is patched in versions 0.18.26, 0.20.20, and 0.21.2. Note that 0.19.0 is a deprecated release and has never been supported.","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","CWE-23"],"references":["https://github.com/http4s/http4s/commit/250afddbb2e65b70ca9ddaec9d1eb3aaa56de7ec","https://github.com/http4s/http4s/commit/752b3f63a05a31d2de4f8706877aa08d6b89efca","https://github.com/http4s/http4s/commit/b87f31b2292dabe667bec3b04ce66176c8a3e17b","https://github.com/http4s/http4s/security/advisories/GHSA-66q9-f7ff-mmx6","https://github.com/http4s/http4s/commit/250afddbb2e65b70ca9ddaec9d1eb3aaa56de7ec"],"products":["typelevel:http4s"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-5280","score":0.06985,"percentile":0.94147,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-66q9-f7ff-mmx6","url":"https://osv.dev/vulnerability/GHSA-66q9-f7ff-mmx6","summary":"Local file inclusion vulnerability in http4s","modified":"2026-07-08T06:00:25.972036864Z","packages":[{"ecosystem":"Maven","name":"org.http4s:http4s-server_2.12","purl":"pkg:maven/org.http4s/http4s-server_2.12","ranges":["<0.18.26"],"fixed":["0.18.26"]},{"ecosystem":"Maven","name":"org.http4s:http4s-server_2.12","purl":"pkg:maven/org.http4s/http4s-server_2.12","ranges":[">=0.19.0 <0.20.20"],"fixed":["0.20.20"]},{"ecosystem":"Maven","name":"org.http4s:http4s-server_2.12","purl":"pkg:maven/org.http4s/http4s-server_2.12","ranges":[">=0.21.0 <0.21.2"],"fixed":["0.21.2"]}]}],"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."]}