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HIGH severity

CVE-2026-109640 — Frappe

HIGH

CVE-2026-109640 is a high-severity (CVSS 8.1) CWE-862 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

Frappe ERPNext before 16.22.0 contains a missing authorization vulnerability that allows authenticated users to modify records by invoking endpoints lacking proper authorization checks.…

Published
Updated
Affected
—
Patched
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Exploits
None indexed
Exploitation data as of Oct 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

Frappe ERPNext before 16.22.0 contains a missing authorization vulnerability that allows authenticated users to modify records by invoking endpoints lacking proper authorization checks. Attackers can call these endpoints to perform operations on records beyond their permitted role, resulting in unauthorized modification of data.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-109640 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Frappe ERPNext before 16.22.0 contains a missing authorization vulnerability that allows authenticated users to modify records by invoking endpoints lacking proper authorization checks. Attackers can call these endpoints to perform operations on records beyond their permitted role, resulting in unauthorized modification of data.
O3 Security · Impact-Aware SCA

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CVE-2026-109640: Frappe (High 8.1)