# CVE-2025-27913: Other in API

> Misconfigured Passbolt API allows attackers to spoof email domains via HTTP Host header, requiring disregard of health checks.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 10 Mar 2025
- **Updated:** 11 Mar 2025
- **Also known as:** GHSA-28wr-h897-6hmv

## What is CVE-2025-27913?

CVE-2025-27913 is a low-severity vulnerability in Passbolt API, published on 10 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Passbolt API before 5, if the server is misconfigured (with an incorrect installation process and disregarding of Health Check results), can send email messages with a domain name taken from an attacker-controlled HTTP Host header.

Weakness: CWE-348 (Use of Less Trusted Source)

## Which versions are affected by CVE-2025-27913?

It affects 1 product.


Products: Passbolt Passbolt Api.

## How do I fix CVE-2025-27913?

No fix has been published for CVE-2025-27913 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-27913 being exploited?

There is no known exploitation of CVE-2025-27913 in the wild and no public exploit code.

## Other vulnerabilities in Passbolt API

- [CVE-2017-1000442](https://insights.sbomify.com/CVE-2017-1000442/): Passbolt API is vulnerable to XSS in the url field on the password workspace grid and sidebar (medium 5.4)
- [CVE-2024-33670](https://insights.sbomify.com/CVE-2024-33670/): Passbolt API allows HTML injection (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-27913 and fix it if it is affected.

What it is: CVE-2025-27913 is a low-severity vulnerability in Passbolt API, published on 10 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-27913 in the wild and no public exploit code.

Affected product: Passbolt API. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2025-27913/ (Markdown: https://insights.sbomify.com/CVE-2025-27913/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-27913
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-27913
- OSV: https://osv.dev/vulnerability/CVE-2025-27913

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-27913/
Summaries are generated and may contain mistakes; the official description above is the record.