CVE-2026-66000 Frappe: Unrestricted access to Document Follow APIs
Users with revoked document permissions can continue receiving sensitive document data via email notifications due to missing permission re-evaluation.
- 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-2026-66000?
CVE-2026-66000 is a low-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 16.23.0 and 15.112.0, Document Follow notification generation does not re-evaluate the recipient's current document permissions, allowing users whose access was revoked or reduced to continue receiving document data by email. This issue is fixed in versions 16.23.0 and 15.112.0.
Weakness: CWE-863
Which versions are affected by CVE-2026-66000?
How do I fix CVE-2026-66000?
No fix has been published for CVE-2026-66000 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-2026-66000 being exploited?
There is no known exploitation of CVE-2026-66000 in the wild and no public exploit code.
Sources
Also known as GHSA-wcm9-vvcc-r8pr.