---
id: CVE-2026-111612
title: netdisk-fast-download through 0.4.8 Credential Disclosure via /v2/randomAuth
summary: >-
  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 cal…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-321
vendor: qaiu
product: netdisk-fast-download
affected:
  - netdisk-fast-download <= 0.4.8
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-16T19:26:37.434928Z'
exploitAvailable: true
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T19:27:08.464Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111612'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/netdisk-fast-download-randomauth-donated-credential-disclosure
  - url: >-
      https://github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/qaiu/lz/web/controller/ParserApi.java#L738-L752
  - url: >-
      https://github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/qaiu/lz/common/util/AuthParamCodec.java#L31
  - url: 'https://github.com/qaiu/netdisk-fast-download'
  - url: >-
      https://www.vulncheck.com/advisories/netdisk-fast-download-through-0.4.8-credential-disclosure-via-v2-randomauth
    label: >-
      VulnCheck Advisory: netdisk-fast-download through 0.4.8 Credential
      Disclosure via /v2/randomAuth
tags:
  - cve.org
  - exploit-available
ingestedAt: '2026-10-16T18:43:08.696Z'
---

## Overview

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.

## Affected

- `netdisk-fast-download <= 0.4.8`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.