Improper Check for Unusual or Exceptional Conditions Affecting socket.io-parser package, versions <3.3.6>=3.4.0 <3.4.5>=4.0.0 <4.2.7
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-SOCKETIOPARSER-18517008
- published4 Aug 2026
- disclosed3 Aug 2026
- creditaretekzs, mauriceng98, Wesley Wang, Strickland, 七号公园
Introduced: 3 Aug 2026
NewCVE-2026-69185 (opens in a new tab)How to fix?
Upgrade socket.io-parser to version 3.3.6, 3.4.5, 4.2.7 or higher.
Overview
socket.io-parser is a socket.io protocol parser
Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions via attachment handling. An attacker can cause the server to exhaust memory resources by sending specially crafted packets that make the server wait for and buffer a large number of binary attachments.