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CVE-2024-32638

Status: AnalyzedMedium (6.3)—

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0.

Users are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Apache — Apisix

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2024-32638",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2024-32638",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-05-02T13:37:37.631816Z"
        }
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    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "LOW",
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          "versions": [
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  "published": "2024-05-02T10:15:08.443",
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  "descriptions": [
    {
      "lang": "en",
      "value": "Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in Apache APISIX when using `forward-auth` plugin.This issue affects Apache APISIX: from 3.8.0, 3.9.0.\n\nUsers are recommended to upgrade to version 3.8.1, 3.9.1 or higher, which fixes the issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de interpretación inconsistente de solicitudes HTTP (\"contrabando de solicitudes HTTP\") en Apache APISIX cuando se utiliza el complemento `forward-auth`. Este problema afecta a Apache APISIX: desde 3.8.0, 3.9.0. Se recomienda a los usuarios actualizar a la versión 3.8.1, 3.9.1 o superior, lo que soluciona el problema."
    }
  ],
  "lastModified": "2026-06-17T07:30:00.290",
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