# CVE-2024-57177: CouchAuth has a Server-Side Template Injection vulnerability in its email functionality

> Attackers can inject code via Host headers in email confirmation requests to execute commands or leak server data in the couch-auth library.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Feb 2025
- **Updated:** 17 Dec 2025
- **Also known as:** GHSA-r385-c5fc-x56c

## What is CVE-2024-57177?

CVE-2024-57177 is a high-severity code injection vulnerability in n/a, published on 10 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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

Weakness: CWE-1336 (Improper Neutralization of Special Elements Used in a Template Engine)

## Which versions are affected by CVE-2024-57177?

2 open source packages ship an affected version, including @perfood/couch-auth.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `@perfood/couch-auth` | npm | All versions to 0.21.2 | None |
| `@perfood/couch-auth` | npm | All versions to 0.21.2 | None |

## How do I fix CVE-2024-57177?

No fix has been published for CVE-2024-57177 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-57177 being exploited?

There is no known exploitation of CVE-2024-57177 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-57177 and fix it if it is affected.

What it is: CVE-2024-57177 is a high-severity code injection vulnerability in n/a, published on 10 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-57177 in the wild and no public exploit code.

Affected packages and fixed versions:
- @perfood/couch-auth (npm): affected all versions up to 0.21.2; no fix listed
- @perfood/couch-auth (npm): affected all versions up to 0.21.2; no fix listed

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-57177/ (Markdown: https://insights.sbomify.com/CVE-2024-57177/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-57177
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-57177
- OSV: https://osv.dev/vulnerability/CVE-2024-57177

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-57177/
Summaries are generated and may contain mistakes; the official description above is the record.