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CVE-2026-93562

Full vulnerability record from the local CVENow database.

Description

A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.

Severity
MEDIUM
CVSS score
6.5 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-09-18 21:18:46.977000
Last modified
2026-11-06 18:18:25.300000
View original CVE JSON
{
  "id": "CVE-2026-93562",
  "sourceIdentifier": "[email protected]",
  "published": "2026-09-18T21:18:46.977",
  "lastModified": "2026-11-06T18:18:25.300",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources."
    }
  ],
  "affected": [
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      "source": "[email protected]",
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        },
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  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
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          "role": "CISA Coordinator",
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      "source": "[email protected]",
      "type": "Secondary",
      "description": [
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          "lang": "en",
          "value": "CWE-1035"
        }
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  "references": [
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      "url": "https://access.redhat.com/errata/RHSA-2026:69440",
      "source": "[email protected]"
    },
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      "url": "https://access.redhat.com/errata/RHSA-2026:69470",
      "source": "[email protected]"
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      "url": "https://access.redhat.com/errata/RHSA-2026:83612",
      "source": "[email protected]"
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}