CVE-2026-110214
Low
Description
Snowy 3.6.5 contains a hard-coded HMAC key vulnerability that allows unauthenticated attackers to forge download signatures for the /dev/file/download endpoint by using the published FILE_DOWNLOAD_SIGN_SECRET constant. Attackers can compute HMAC-SHA256 signatures of guessed file ids offline to download stored files such as avatars, editor images and attachments.
SeverityLow
CVSS3.7
Exploit probability—
ProductSnowy
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-321CWE-321
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xiaonuobase Snowy | 3.6.5 | — |
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