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CVE-2026-58157

Estado: ModificadaMedia (6.9)—

Apache Traffic Server can reuse server sessions and tunnels improperly, exposing data across client connections.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Apache — Traffic Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-58157",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-58157",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
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              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-07-29T00:00:00+00:00"
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          "confidentialityImpact": "HIGH"
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    "cvssMetricV40": [
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "affected": [
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      "affectedData": [
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          "vendor": "Apache Software Foundation",
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          "versions": [
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              "version": "8.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "8.1.11"
            },
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            },
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  "published": "2026-07-29T10:16:41.173",
  "references": [
    {
      "url": "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "source": "security@apache.org"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "security@apache.org",
      "description": [
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          "value": "CWE-200"
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      "lang": "en",
      "value": "Apache Traffic Server can reuse server sessions and tunnels improperly, exposing data across client connections.\n\n\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.\n\n\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue."
    }
  ],
  "lastModified": "2026-10-01T17:17:28.860",
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      "nodes": [
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              "vulnerable": true,
              "matchCriteriaId": "487610D4-99FD-4870-8976-03A8BC081A49",
              "versionEndExcluding": "10.1.4",
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            }
          ],
          "operator": "OR"
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}