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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-25)

CWE

CWE-321

Published

2026-10-16

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://github.com/qaiu/netdisk-fast-download
• https://github.com/qaiu/netdisk-fast-download/blob/v0.4.8/web-service/src/main/java/cn/qaiu/lz/common/util/AuthParamCodec.java#L31
• 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
• https://hackmd.io/@hieuPenguinnn/netdisk-fast-download-randomauth-donated-credential-disclosure
• https://www.vulncheck.com/advisories/netdisk-fast-download-through-0.4.8-credential-disclosure-via-v2-randomauth

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