CVE-2026-47185: Frappe Has Broken Access Control in its Workspace Save API

Severity: medium (CVSS 5.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-06 · updated 2026-09-08
Weakness: CWE-79

Description

Frappe is a full-stack web application framework. Prior to 16.18.0, the Workspace Save API accepts a controlled workspace identifier from any authenticated user without enforcing workspace ownership, allowing modification of another user's private workspace and persistent script injection. This issue is fixed in version 16.18.0.

Affected products

frappe: before 16.18.0

References

https://github.com/frappe/frappe/commit/8ef9e9076293c3f567b734ac9b1b81e63b805ab5
https://github.com/frappe/frappe/security/advisories/GHSA-mcr4-jc52-ww6x

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