Packages / wrangler / Security

ModerateVulnerabilityGHSA-8c93-4hch-xgxpCVE-2023-3348Published 3 Aug 2023

Cloudflare Wrangler directory traversal vulnerability

Affected releases · wrangler

  • 2.x2.0.0 – 2.20.0Fixed in 2.20.1
  • 0.0.x0.0.1 – 0.0.34No fix on this line yet

On 2.x, the newest line:

npm install wrangler@2.20.1
4.x

  1. Not affected

    4.0.0 – 4.151.3

    225 releases, latest

2.x

  1. Affected

    2.0.0 – 2.20.0

    81 releases

  2. Fixed

    2.20.1 – 2.21.3

    6 releases

0.x

  1. Affected

    0.0.1 – 0.0.34

    32 releases

541 stable releases of wrangler, oldest to newest, one row per major.

Is your project affected?

Paste your package.json, or type the range you declare for wrangler. It is read in your browser and sent nowhere.

What happens

Impact

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.

Patches

Wrangler2: Upgrade to v2.20.1 or higher. Wrangler3: Upgrade to v3.1.1 or higher.

References

Workers SDK on Github Wrangler docs CVE-2023-3348