CVE-2026-19500: SureForms contains an uncontrolled resource consumption vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-18 · updated 2026-09-03
Weakness: CWE-400

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.

Affected products

SureForms: before 2.12.3 — fixed in 2.12.3

How to fix

Upgrade to a fixed version: SureForms 2.12.3. Check the vendor advisory for mitigations.

References

https://github.com/typedefabcd1234ntd/CVE-2026-19500-poc
https://sureforms.com/
https://github.com/typedefabcd1234ntd/CVE-2026-19500-poc

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