Vulnerability in WEBCON BPS software

CVE ID: CVE-2026-92419

Publication date: 23 September 2026

Vendor: WEBCON

Product: WEBCON BPS

Vulnerable versions: From 2024.1.1.145 before 2025.2.1.177From 2026.1.1.1 before 2026.1.1.20

Vulnerability type (CWE): Authorization bypass through User-Controlled key (CWE-639)

Report source: Report to CERT Polska

Description

CERT Polska has received a report about vulnerability in WEBCON BPS software and participated in coordination of its disclosure.

The vulnerability CVE-2026-92419: WEBCON BPS is vulnerable to Insecure Direct Object Reference (IDOR) in the /api/vacations/{path} endpoint. The selectedPeople parameter in the Gantt vacation chart API does not validate whether the requesting user is authorized to access the requested users' data. An authenticated attacker can supply arbitrary user logins in the selectedPeople parameter to view vacation schedules of other employees, including managers and staff from other offices, regardless of business logic access restrictions, resulting in unauthorized disclosure of sensitive scheduling information.

This vulnerability was fixed in versions: 2025.2.1.177 and 2026.1.1.20

Credits

We thank Robert Strzoda for the responsible vulnerability report.

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More about the coordinated vulnerability disclosure process at CERT Polska can be found at https://cert.pl/en/cvd/.