CVE-2026-73640 Time-based SQL Injection in Dayforce ESS Excelity
Unauthenticated attackers can execute time-based blind SQL injection via password recovery parameters to read sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73640?
CVE-2026-73640 is a critical SQL injection vulnerability in Dayforce ESS Excelity, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2026-73640?
How do I fix CVE-2026-73640?
No fix has been published for CVE-2026-73640 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-73640 being exploited?
There is no known exploitation of CVE-2026-73640 in the wild and no public exploit code.
Sources
Also known as GHSA-wrm6-gm2g-4hgx.