Resource exhaustion in Sureforms

CVE-2026-19500

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.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19500: held from 0.005 to 0.006.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-19500?
CVE-2026-19500 is a high-severity vulnerability in Sureforms, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-08-18.
How severe is CVE-2026-19500?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2026-19500 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.