Horilla up to 1.5.0-85 Payroll component_views.py emp_id/allowance_id/deduction_id improper authorization

Summaryinfo

A vulnerability was found in Horilla up to 1.5.0-85 and classified as problematic. This affects the function allowances_deductions_tab/view_single_allowance/view_single_deduction of the file payroll/views/component_views.py of the component Payroll. The manipulation of the argument emp_id/allowance_id/deduction_id results in improper authorization. This vulnerability is cataloged as CVE-2026-63431. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Horilla up to 1.5.0-85. Affected is the function allowances_deductions_tab/view_single_allowance/view_single_deduction of the file payroll/views/component_views.py of the component Payroll. The manipulation of the argument emp_id/allowance_id/deduction_id with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. CVE summarizes:

Horilla is an HR and CRM software. In 1.5.0-85 and earlier, payroll/views/component_views.py does not consistently authorize access in allowances_deductions_tab, view_single_allowance, and view_single_deduction before loading records selected by emp_id, allowance_id, or deduction_id. An authenticated employee can substitute those identifiers to read another employee's salary structure, allowance and deduction amounts, personal loan disbursements, and repayment schedules without owning the record or holding payroll-view permissions. No complete fixed version is available as of this review.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-63431 since 07/16/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/26/2026). The MITRE ATT&CK project declares the attack technique as T1548.002.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-87362). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• Horilla

Version

• 1.5.0-85

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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