Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck

CVE-2026-108733Frappe HR (hrms) before 16.11.0 Missing Authorization via expire_allocation

Medium 4.3

In plain English

A medium-severity missing authorization in hrms from frappe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 82.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Frappe HR (hrms) before 16.11.0, including all 14.x and 15.x releases through 15.64.3, contains a missing authorization vulnerability in the whitelisted expire_allocation method that allows authenticated users to expire any leave allocation. Attackers without HR roles can name another employee's Leave Allocation in a POST request to zero its allocated leaves and wipe that employee's remaining leave balance.

Affected products (as reported)

Vendor	Product	Versions
frappe	hrms	0 – before 16.11.0

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References

https://hackmd.io/@haind03/frappe-hrms-expire-allocation-missing-authorization-20261010 third-party-advisory
https://github.com/frappe/hrms/blob/0a54d2c7b8b6043e2705b6f557b6ed65260670dd/hrms/hr/doctype/leave_ledger_entry/leave_ledger_entry.py#L199-L228 technical-description
https://github.com/frappe/hrms/commit/6ab7a50347367413b78ad5bd5d9e4b8c6653c81f patch
hrms v16.11.0 Release Notes release-notes
https://github.com/frappe/hrms product
VulnCheck Advisory: Frappe HR (hrms) before 16.11.0 Missing Authorization via expire_allocation third-party-advisory