CVE-2026-7702 toeverything AFFiNE Public Markdown Preview Endpoint :docId allowDocPreview authorization
Remote attackers can bypass authorization checks in the public markdown preview endpoint to access unauthorized document data.
- 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-2026-7702?
CVE-2026-7702 is a medium-severity missing authorization vulnerability in toeverything AFFiNE, published on 3 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was detected in toeverything AFFiNE up to 0.26.3. This issue affects the function allowDocPreview of the file /workspace/:workspaceId/:docId of the component Public Markdown Preview Endpoint. The manipulation results in authorization bypass. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-7702?
How do I fix CVE-2026-7702?
No fix has been published for CVE-2026-7702 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-7702 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7702 exists.
Sources
Also known as GHSA-mr68-8hjx-jc67.