# CVE-2026-0580: SourceCodester API Key Manager App Import Key cross site scripting

> Remote attackers can inject malicious scripts via the Import Key Handler in SourceCodester API Key Manager App, potentially compromising user sessions.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Jan 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-f86p-h224-6gv4

## What is CVE-2026-0580?

CVE-2026-0580 is a medium-severity cross-site scripting vulnerability in SourceCodester API Key Manager App, published on 5 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in SourceCodester API Key Manager App 1.0. Affected by this vulnerability is an unknown functionality of the component Import Key Handler. Performing a manipulation results in cross site scripting. The attack can be initiated remotely.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-0580?

It affects 1 product.


Products: Remyandrade Api Key Manager App.

## How do I fix CVE-2026-0580?

No fix has been published for CVE-2026-0580 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-0580 being exploited?

There is no known exploitation of CVE-2026-0580 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0580 and fix it if it is affected.

What it is: CVE-2026-0580 is a medium-severity cross-site scripting vulnerability in SourceCodester API Key Manager App, published on 5 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-0580 in the wild and no public exploit code.

Affected product: SourceCodester API Key Manager App. 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-2026-0580/ (Markdown: https://insights.sbomify.com/CVE-2026-0580/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0580
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0580
- OSV: https://osv.dev/vulnerability/CVE-2026-0580

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-0580/
Summaries are generated and may contain mistakes; the official description above is the record.