CVE-2026-109675CWE-639

CVE-2026-109675

Medium · published October 13, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
5.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00168 · 5.8th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-13T03:17Z
References (2)
https://github.com/frappe/suite/security/advisories/GHSA-4gv8-m97c-4jmv · [email protected]https://www.vulncheck.com/advisories/frappe-suite-before-commit-2697564-broken-access-control-in-mail-mailbox-and-quota-apis · [email protected]
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 22:22Z
    Frappe Suite before commit 2697564 Broken Access Control in Mail Mailbox and Quota APIs
    cvelistv5
  • 12 OCT 22:22Z
    Frappe Suite before commit 2697564 Broken Access Control in Mail Mailbox and Quota APIs
    cvelistv5