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Vulnerabilities in Dayforce Payroll software
28 September 2026 | CERT Polska | #vulnerability, #warning, #cve
CVE ID CVE-2026-73640
Publication date 28 September 2026
Vendor Dayforce
Product Payroll
Vulnerable versions R2026.2.0
Vulnerability type (CWE) Improper neutralization of special elements used in an SQL command ('SQL injection') (CWE-89)
Report source Report to CERT Polska
CVE ID CVE-2026-73641
Publication date 28 September 2026
Vendor Dayforce
Product Payroll
Vulnerable versions R2026.2.0
Vulnerability type (CWE) Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') (CWE-79)
Report source Report to CERT Polska
CVE ID CVE-2026-73642
Publication date 28 September 2026
Vendor Dayforce
Product Payroll
Vulnerable versions R2026.2.0
Vulnerability type (CWE) Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)
Report source Report to CERT Polska

Description

CERT Polska has received a report about vulnerabilities in Dayforce Payroll software and participated in coordination of their disclosure.

The vulnerability CVE-2026-73640: Dayforce Payroll is vulnerable to Time Based-Blind SQL Injection in password recovery functionality. The unauthenticated attacker can prepare GET request with one of the parameters filled in with an arbitrary SQL query. The parameter is interpreted as part of SQL predicate resulting in Time-Based Blind SQL Injection.

The vulnerability CVE-2026-73641: Dayforce Payroll is vulnerable to Reflected XSS in multiple endpoints. An attacker can prepare a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser.

The vulnerability CVE-2026-73642: Dayforce Payroll is vulnerable to Path Traversal in file download functionality. An unauthenticated attacker can sent GET request with file path parameter set to any path including an absolute local file path.

Because vendor contact attempts were unsuccessful, the vulnerabilities have only been confirmed in version R2026.2.0 but may also affect other versions.

Credits

We thank Dawid Dudek (4c1d8urn) for the responsible vulnerability report.

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