CVE-2026-110214 Snowy 3.6.5 Hard-coded Download Signature Key Allows Unauthenticated File Download
Hard-coded HMAC key allows unauthenticated attackers to forge signatures and download stored files from the Snowy web 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-2026-110214?
CVE-2026-110214 is a medium-severity vulnerability in xiaonuobase Snowy, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-321
Which versions are affected by CVE-2026-110214?
How do I fix CVE-2026-110214?
No fix has been published for CVE-2026-110214 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-110214 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110214 exists.
Sources
Also known as GHSA-jq4c-83mm-g2wr.