CVE-2026-5798 Unsafe Object Reference (IDOR) vulnerability in Stel Order
An authenticated attacker can access sensitive employee data by manipulating the employeeID parameter in the FrontController endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5798?
CVE-2026-5798 is a high-severity missing authorization vulnerability in Stel Order, published on 14 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Unsafe object reference (IDOR) in Stel Order v3.25.1 and earlier versions, specifically in the ‘/app/FrontController’ endpoint, through manipulation of the ‘employeeID’ parameter. An authenticated attacker could exploit this vulnerability to access information about any employee (first names, last names, roles, job titles, and vacation records, among others) by modifying that identifier in requests sent to the server.
Weakness: CWE-639
Which versions are affected by CVE-2026-5798?
How do I fix CVE-2026-5798?
No fix has been published for CVE-2026-5798 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-5798 being exploited?
There is no known exploitation of CVE-2026-5798 in the wild and no public exploit code.
Sources
Also known as GHSA-q39g-q5qr-xx67.