orjson

PyPI

Is orjson safe to use?

The latest brin safety scan flagged orjson v3.11.7 with risk indicators that warrant review. No known CVE vulnerabilities. Trust score: 70/100. Review the findings below before use. This is an automated assessment and may contain errors.

Install (safety-checked)

orjson Has Warnings

Warnings detected due to potential concerns

warning
CVEs

0

Threats

0

Install Scripts

0

Risk Indicators

  • Package includes native code modules
  • Package can spawn child processes

brin Recommendations

  • This package has warnings detected. Evaluate the specific concerns before proceeding.

Install with brin add orjson to automatically apply these checks before installation.

This is an automated, point-in-time assessment and may contain errors. Findings are risk indicators, not confirmed threats. Security posture may change over time. Maintainers can dispute findings via the brin review process.

orjson Capabilities & Permissions

What orjson can access when installed. Review these capabilities before using with AI agents like Cursor, Claude Code, or Codex.

Filesystem Access

Reads and writes to the filesystem.

/usr/ (rw)

Process Spawning

This package can spawn child processes.

Environment Variables

Accesses the following environment variables.

ORJSON_RUNNER_MEMORY_GIB

Native Modules

Contains native code that runs outside the JavaScript sandbox.

native extensionnumpypandas

AGENTS.md for orjson

Good instructions lead to good results. brin adds orjson documentation to your AGENTS.md so your agent knows how to use it properly—improving both safety and performance.

brin init

Vercel's research: 100% accuracy with AGENTS.md vs 53% without →

orjson Documentation & Source Code

For the full orjson README, API documentation, and source code, visit the official package registry.

Frequently asked questions about orjson safety

Weekly Downloads

27.8M

Version

3.11.7

Last Scanned

Feb 4, 2026

Trust Score

70/100·Legitimacy signals, not safety

Capabilities

Filesystem

Reads & Writes files

Process

Spawns child processes

Environment

Accesses: ORJSON_RUNNER_MEMORY_GIB

Native

Contains native modules