{"cve":"CVE-2023-3348","nvd":{"published":"2023-08-03T15:15:30.227","modified":"2026-06-17T06:13:52.247","status":"Modified","description":"The Wrangler command line tool  (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages (wrangler pages dev command). This vulnerability enabled an attacker in the same network as the victim to connect to the local development server and access the victim's files present outside of the directory for the development server.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","score":5.7},"cwes":["CWE-22"],"references":["https://developers.cloudflare.com/workers/wrangler/","https://github.com/cloudflare/workers-sdk","https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-8c93-4hch-xgxp","https://developers.cloudflare.com/workers/wrangler/","https://github.com/cloudflare/workers-sdk"],"products":["cloudflare:wrangler"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-3348","score":0.00817,"percentile":0.57153,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8c93-4hch-xgxp","url":"https://osv.dev/vulnerability/GHSA-8c93-4hch-xgxp","summary":"Cloudflare Wrangler directory traversal vulnerability","modified":"2026-07-08T06:53:12.452828479Z","packages":[{"ecosystem":"npm","name":"wrangler","purl":"pkg:npm/wrangler","ranges":["<2.20.1"],"fixed":["2.20.1"]}]}],"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."]}