Critical · CVSS 9.3CVE-2026-73640

Time-based SQL Injection in Dayforce ESS ExcelityCVE-2026-73640

Answer in brief

CVE-2026-73640 records a Critical severity (CVSS 9.3) vulnerability in Time-based SQL Injection in Dayforce ESS Excelity. The current sources do not mark it as known exploited. The current feed maps Dayforce/ESS Excelity (generic), Dayforce/Payroll (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 28, 2026Updated Oct 13, 2026Source checked Oct 13, 2026First seen by HOL Sep 28, 2026Material review Oct 13, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Dayforce/ESS Excelity (generic), Dayforce/Payroll (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Dayforce/ESS Excelitygeneric	>=0 <V3	V3
Dayforce/Payrollgeneric	R2026.2.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Dayforce/ESS Excelity, Dayforce/Payroll.
Review the reported fix. Update Dayforce/ESS Excelity to V3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 13, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 28, 2026

Sources and claim methodology

Upstream source description

Dayforce ESS Excelity 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. This issue was fixed in version V3.

Quoted source text, attributed separately from HOL analysis.