CVE-2026-73640: Dayforce Payroll

Critical severity, CVSS 9.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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

Affected products

• Dayforce Payroll: version R2026.2.0 only

Published 2026-09-28. Last modified 2026-09-28.