CVE-2026-109675

Frappe Suite before commit 2697564 Broken Access Control in Mail Mailbox and Quota APIs

State: Published
Severity: 5.3 Medium
Published: Oct 12, 2026
Updated: Oct 18, 2026
Reserved: Oct 12, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	VulnCheck

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
suitefrappe	before 2697564a9c46da6acc614743eaf9915fe5238f4fAffected 2697564a9c46da6acc614743eaf9915fe5238f4fNot affected

References

GitHub Security Advisory (GHSA-4gv8-m97c-4jmv)vendor-advisory
VulnCheck Advisory: Frappe Suite before commit 2697564 Broken Access Control in Mail Mailbox and Quota APIsthird-party-advisory

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