Inefficient Algorithmic Complexity Affecting @conform-to/dom package, versions >=1.8.0 <1.19.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-CONFORMTODOM-17812748
- published4 Jul 2026
- disclosed2 Jul 2026
- creditUnknown
Introduced: 2 Jul 2026
CVE-2026-49250 (opens in a new tab)How to fix?
Upgrade @conform-to/dom to version 1.19.4 or higher.
Overview
@conform-to/dom is an A set of opinionated helpers built on top of the Constraint Validation API
Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the parseSubmission process. An attacker can cause excessive CPU consumption by submitting forms with a large number of unique field names, leading to resource exhaustion and potential service disruption.