CVE-2026-109675GHSA-4gv8-m97c-4jmv
Frappe Suite before commit 2697564 Broken Access Control in Mail Mailbox and Quota APIs
frappe suite
CVSS
5.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2697564a9c46da6acc614743eaf9915fe5238f4fsuiteCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
Frappe Suite before commit 2697564a9c46da6acc614743eaf9915fe5238f4f contains a broken access control vulnerability in the get_mailboxes and get_quota APIs that allows authenticated mail users to access other users' data. Attackers can supply another user's JMAP account ID to read mailbox names, message counts, automation rules with sender addresses, and storage quota usage.
Text from CVE List
Affected versions 2
- suiteaffected: all versions before 2697564a9c46da6acc614743eaf9915fe5238f4fCVE List
- suiteunaffected: 2697564a9c46da6acc614743eaf9915fe5238f4fCVE List