Medium severity · published Oct 19, 2026
CVE-2026-111938
Frappe CRM before 1.74.0 Missing Authorization via add_note_to_call_log
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
crm · frappe
before 1.74.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111938
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111938
github.com
https://github.com/frappe/crm/blob/v1.73.2/crm/integrations/api.py
github.com
https://github.com/frappe/crm/commit/7872f4d178bd9338dba2eb4fc4808f4060914be6
github.com
https://github.com/frappe/crm/commit/e30df91094033d8583a72e429726ba7bebc1534f
github.com
https://github.com/frappe/crm/releases/tag/v1.74.0
github.com
https://github.com/frappe/crm/security/advisories/GHSA-843p-qp2f-p2v8
www.vulncheck.com
https://www.vulncheck.com/advisories/frappe-crm-before-1.74.0-missing-authorization-via-add-note-to-call-log
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