CVE-2026-66058 Frappe: Unrestricted access to a Document Follow API
Authenticated users can bypass authorization checks to modify document follow settings in the Frappe framework.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66058?
CVE-2026-66058 is a medium-severity missing authorization vulnerability in frappe, published on 7 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Frappe is a full-stack web application framework. Prior to 16.20.0 and 15.112.0, unrestricted access to a Document Follow API (update_follow) is possible for an authenticated user. This issue is fixed in versions 16.20.0 and 15.112.0.
Which versions are affected by CVE-2026-66058?
How do I fix CVE-2026-66058?
No fix has been published for CVE-2026-66058 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-2026-66058 being exploited?
There is no known exploitation of CVE-2026-66058 in the wild and no public exploit code.
Sources
Also known as GHSA-fgx7-fvpx-mw3g.