Time-based SQL Injection in Dayforce ESS Excelity

published 2026-09-28 41 d ago modified 2026-10-13 26 d ago also EUVD-2026-88249

cvss: 9.3; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Dayforce ESS Excelity V3

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 41 d ago (2026-09-28)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Dayforce ESS Excelity

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

cert.pl /en/posts/2026/09/CVE-2026-73640
third-party-advisory
ess.exceltiyglobal.com
product

Sources

CVE List CVE-2026-73640
NVD CVE-2026-73640

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary