CVE-2026-19500 SureForms contains an uncontrolled resource consumption vulnerability
Remote attackers can exhaust server resources and cause denial of service in SureForms by submitting crafted form 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-2026-19500?
CVE-2026-19500 is a high-severity denial of service vulnerability in SureForms, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Entries component in Brainstorm Force SureForms version, less than 2.12.3, does not enforce adequate limits on user-controlled form fields or submitted content during processing and rendering, which allows a remote attacker to exhaust server resources, prevent administrators from accessing the Entries interface, and trigger HTTP 500 errors via crafted form submissions.
Weakness: CWE-400
Which versions are affected by CVE-2026-19500?
How do I fix CVE-2026-19500?
No fix has been published for CVE-2026-19500 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-19500 being exploited?
There is no known exploitation of CVE-2026-19500 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-xc26-q9g5-f99x.