Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting springframework:spring-web package, versions [0,]
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-JAVA-SPRINGFRAMEWORK-15701758
- published20 Mar 2026
- disclosed19 Mar 2026
- creditGyu-hyeok Lee (g2h)
Introduced: 19 Mar 2026
NewCVE-2026-22735 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'). The vulnerability exists in the handling of Server-Sent Events (SSE) when streaming plain text data. An attacker can inject crafted data into the event stream, breaking message boundaries and corrupting the stream delivered to other clients. By controlling streamed content, an attacker can manipulate how subsequent events are parsed by the client, potentially altering application state or injecting misleading data.
Note:
This is only exploitable if the application streams attacker-controlled data via SSE using unstructured/plain-text messages instead of a structured format (e.g., JSON).