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Vulnerability record · CVE-2023-3348 · published 3 August 2023

CVE-2023-3348: Cloudflare wrangler path traversal vulnerability

Cloudflare · Wrangler

The Wrangler command line tool  (<[email protected] or <[email protected]) 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.

5.7 CVSS 3.1 Medium EPSS 0.82% · top 44.6% CWE-22 · Path traversal
5.7CVSS 3.1 base score
0.82%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The Wrangler command line tool  (<[email protected] or <[email protected]) 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:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://developers.cloudflare.com/workers/wrangler/ Product
https://github.com/cloudflare/workers-sdk Product
https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-8c93-4hch-xgxp Vendor Advisory
https://developers.cloudflare.com/workers/wrangler/ Product
https://github.com/cloudflare/workers-sdk Product
https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-8c93-4hch-xgxp Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-3348), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.