# CVE-2017-12850: Business logic in n/a

> Authenticated users can reset passwords of other users, including admins, by manipulating form data in Kanboard.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Aug 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-fchw-39vq-2wvv

## What is CVE-2017-12850?

CVE-2017-12850 is a high-severity vulnerability in n/a, published on 14 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An authenticated standard user could reset the password of other users (including the admin) by altering form data. Affects kanboard before 1.0.46.

Weakness: CWE-640 (Weak Password Recovery Mechanism for Forgotten Password)

## Which versions are affected by CVE-2017-12850?

It affects 1 product.


Products: Kanboard Kanboard.

## How do I fix CVE-2017-12850?

No fix has been published for CVE-2017-12850 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-12850 being exploited?

There is no known exploitation of CVE-2017-12850 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2026-21881](https://insights.sbomify.com/CVE-2026-21881/): Kanboard is Vulnerable to Reverse Proxy Authentication Bypass (critical 9.1)
- [CVE-2025-55010](https://insights.sbomify.com/CVE-2025-55010/): Kanboard Authenticated Admin Remote Code Execution via Unsafe Deserialization of Events (critical 9.1)
- [CVE-2024-51747](https://insights.sbomify.com/CVE-2024-51747/): Arbitrary File Read and Delete in kanboard (critical 9.1)
- [CVE-2024-51748](https://insights.sbomify.com/CVE-2024-51748/): Remote code execution through language setting in kanboard (critical 9.1)
- [CVE-2017-12851](https://insights.sbomify.com/CVE-2017-12851/): Business logic in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-12850 and fix it if it is affected.

What it is: CVE-2017-12850 is a high-severity vulnerability in n/a, published on 14 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-12850 in the wild and no public exploit code.

Affected product: n/a. 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-2017-12850/ (Markdown: https://insights.sbomify.com/CVE-2017-12850/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-12850
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-12850
- OSV: https://osv.dev/vulnerability/CVE-2017-12850

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-12850/
Summaries are generated and may contain mistakes; the official description above is the record.