CVE-2026-19501 CVE-2026-19501
Remote attackers can execute malicious spreadsheet formulas on administrators' workstations via crafted form field names in CSV exports.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-19501?
CVE-2026-19501 is a high-severity vulnerability in SureForms, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
CSV export functionality in Brainstorm Force SureForms version, <= 2.12.1, fails to neutralize spreadsheet formula characters in user-controlled form field names before generating CSV exports, which allows a remote attacker to execute spreadsheet formulas on an administrator's workstation when the exported CSV file is opened in a vulnerable spreadsheet application.
Weakness: CWE-1236
Which versions are affected by CVE-2026-19501?
How do I fix CVE-2026-19501?
No fix has been published for CVE-2026-19501 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19501 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19501 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-fwh8-67c4-8cgg.