CVE-2023-3348Directory traversal vulnerability in Cloudflare Wrangler
- 5.7MediumCVSS base score
- 0.82%Exploitation in 30 daysEPSS · top 42% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By cloudflare
- 43 days later
· 43 days later
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 42% of all CVEs (13 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.
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
References3
- 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)
- EUVD EUVD-2023-2244 (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://cveledger.app/cve/CVE-2023-3348)Record last updated .