Vulnerability in Qaiu Netdisk-Fast-Download
CVE-2026-111612
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/netdisk-fast-download-randomauth-donated-credential-di… (third-party-advisory)
- github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/… (technical-description)
- github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/… (technical-description)
- github.com/qaiu/netdisk-fast-download (product)
- www.vulncheck.com/advisories/netdisk-fast-download-through-0.4.8-credential-dis… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111612?
- CVE-2026-111612 is a high-severity vulnerability in Qaiu Netdisk-Fast-Download, classified under Use of Hard-coded Cryptographic Key. CVSS score: 7.5/10. Published 2026-10-16.
- How severe is CVE-2026-111612?
- High severity. CVSS v3 base score is 7.5 out of 10.