# CVE-2026-111612: netdisk-fast-download through 0.4.8 Credential Disclosure via /v2/randomAuth

> Unauthenticated attackers can retrieve other users' cloud-drive credentials by exploiting a hard-coded AES key in the netdisk-fast-download application.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Oct 2026
- **Updated:** 16 Oct 2026
- **Also known as:** GHSA-9363-c6w4-4xc7

## What is CVE-2026-111612?

CVE-2026-111612 is a high-severity vulnerability in qaiu netdisk-fast-download, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

netdisk-fast-download through 0.4.8 contains an information disclosure vulnerability that allows unauthenticated attackers to retrieve donated netdisk credentials via the /v2/randomAuth endpoint in ParserApi. Attackers can repeatedly call the endpoint and decrypt the encryptedAuth blob using the hard-coded AES key nfd_auth_key2026 to recover other users' cloud-drive cookies, tokens, or passwords.

Weakness: CWE-321 (Use of Hard-coded Cryptographic Key)

## Which versions are affected by CVE-2026-111612?


## How do I fix CVE-2026-111612?

No fix has been published for CVE-2026-111612 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-111612 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111612 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-111612 and fix it if it is affected.

What it is: CVE-2026-111612 is a high-severity vulnerability in qaiu netdisk-fast-download, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111612 exists.

Affected product: qaiu netdisk-fast-download. 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-2026-111612/ (Markdown: https://insights.sbomify.com/CVE-2026-111612/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-111612
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-111612
- OSV: https://osv.dev/vulnerability/CVE-2026-111612

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-111612/
Summaries are generated and may contain mistakes; the official description above is the record.