CVE-2023-3348
Directory traversal vulnerability in Cloudflare Wrangler
- Published
- Updated
- Reserved
- Assigned by
- cloudflare
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| cloudflareCNA (assigner) | 3.1 | Medium5.7 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.7 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.82% · top 43% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.
Weakness
Affected products
- affected 3 – < 3.1.1
- affected 2 – < 2.20.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmwranglerGHSA-8c93-4hch-xgxp (opens in a new tab)
What to do
Solution: Upgrade to [email protected] or higher For wrangler v2 upgrade to [email protected] or higher
References (3)
- https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-8c93-4hch-xgxp (opens in a new tab)vendor-advisoryx_transferred
- https://github.com/cloudflare/workers-sdk (opens in a new tab)productx_transferred
- https://developers.cloudflare.com/workers/wrangler/ (opens in a new tab)relatedx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-8c93-4hch-xgxp (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-3348)Record last updated .