Files or Directories Accessible to External Parties Affecting @tinacms/cli package, versions <2.1.8
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-TINACMSCLI-15518077
- published13 Mar 2026
- disclosed12 Mar 2026
- creditalaeddine03
Introduced: 12 Mar 2026
NewCVE-2026-29066 (opens in a new tab)How to fix?
Upgrade @tinacms/cli to version 2.1.8 or higher.
Overview
@tinacms/cli is a package used to set up your project with Tina Cloud configuration, and run a local version of the Tina Cloud content-api.
Affected versions of this package are vulnerable to Files or Directories Accessible to External Parties via the dev server configuration when server.fs.strict is set to false. An attacker can access sensitive files on the host system by sending crafted requests to the development server.
PoC
curl http://localhost:4001/etc/passwd