Auth bypass in Frappe Hrms
CVE-2026-108733
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.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind03/frappe-hrms-expire-allocation-missing-authorization-20261010 (third-party-advisory)
- github.com/frappe/hrms/blob/0a54d2c7b8b6043e2705b6f557b6ed65260670dd/hrms/hr/do… (technical-description)
- github.com/frappe/hrms/commit/6ab7a50347367413b78ad5bd5d9e4b8c6653c81f (patch)
- github.com/frappe/hrms/releases/tag/v16.11.0 (release-notes)
- github.com/frappe/hrms (product)
- www.vulncheck.com/advisories/frappe-hr-hrms-before-16.11.0-missing-authorizatio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108733?
- CVE-2026-108733 is a medium-severity vulnerability in Frappe Hrms, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-11.
- How severe is CVE-2026-108733?
- Medium severity. CVSS v3 base score is 4.3 out of 10.