CVE-2026-66059 Frappe: Field-level permission bypass via Document Follow
Attackers can bypass field-level permissions to read restricted data in Frappe applications, requiring an upgrade to patched versions.
- 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-2026-66059?
CVE-2026-66059 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, a field-level permissions bypass exposes restricted DocType fields. This issue is fixed in versions 16.23.0 and 15.112.0.
Weakness: CWE-863
Which versions are affected by CVE-2026-66059?
How do I fix CVE-2026-66059?
No fix has been published for CVE-2026-66059 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-2026-66059 being exploited?
There is no known exploitation of CVE-2026-66059 in the wild and no public exploit code.
Sources
Also known as GHSA-7vpf-q96h-59x4.