CVE-2026-111938

Frappe CRM before 1.74.0 contains a missing authorization vulnerability that allows authenticated Sales Users to modify other users' call logs by supplying arbitrary call_sid values. Attackers can call the add_note_to_call_log and add_task_to_call_log endpoints to attach attacker-written notes and tasks that appear on victims' call logs, leads, and deals.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-10-19

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

References

• https://github.com/frappe/crm/blob/v1.73.2/crm/integrations/api.py
• https://github.com/frappe/crm/commit/7872f4d178bd9338dba2eb4fc4808f4060914be6
• https://github.com/frappe/crm/commit/e30df91094033d8583a72e429726ba7bebc1534f
• https://github.com/frappe/crm/releases/tag/v1.74.0
• https://github.com/frappe/crm/security/advisories/GHSA-843p-qp2f-p2v8

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