Answer in brief
CVE-2026-78177 records a Low severity (CVSS 4.5) vulnerability in TanStack devtools-vite Development Devtools Event Bus package-manager.ts installPackage os command injection. The current sources do not mark it as known exploited. The current feed maps TanStack/devtools-vite (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps TanStack/devtools-vite (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| TanStack/devtools-vitegeneric | 0.7.0 | Not reported |
Published upstream
Aug 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 24, 2026
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.
Quoted source text, attributed separately from HOL analysis.