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

High 8.7 Published Updated

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

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

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

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.

Sources

Also known as GHSA-9363-c6w4-4xc7.

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