Allocation of Resources Without Limits or Throttling Affecting seroval package, versions <1.4.2
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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Start learning- Snyk IDSNYK-JS-SEROVAL-15054525
- published23 Jan 2026
- disclosed21 Jan 2026
- creditUnknown
Introduced: 21 Jan 2026
CVE-2026-23957 (opens in a new tab)How to fix?
Upgrade seroval to version 1.4.2 or higher.
Overview
seroval is a Stringify JS values
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the encoded array lengths serialization process. An attacker can cause excessive processing time by overriding encoded array lengths with extremely large values.