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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2018-8040

Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2018-8040
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 08:52 UTC · Revision 1

Source evidence

CVE-2018-8040

core-osv · Original source

Published 29 Aug 2018, 13:29 UTC

Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.

osv:CVE-2018-8040
Complete source record
{
  "id": "ebe5a8c7645d8080959e71e365963acedbed1aa34b38c9e0d641c926c58d3559",
  "url": "https://osv.dev/vulnerability/CVE-2018-8040",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-8040",
    "summary": "Pages that are rendered using the ESI plugin can have access to the cookie header when the plugin is configured not to allow access. This affects Apache Traffic Server (ATS) versions 6.0.0 to 6.2.2 and 7.0.0 to 7.1.3. To resolve this issue users running 6.x should upgrade to 6.2.3 or later versions and 7.x users should upgrade to 7.1.4 or later versions.",
    "evidence": "osv:CVE-2018-8040",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-8040",
      "aliases": [
        "CVE-2018-8040"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/trafficserver",
              "type": "GIT",
              "events": [
                {
                  "introduced": "27f8e2cda9133864e6ffae0224c799fde5f10290"
                },
                {
                  "last_affected": "0b7b630858b4983d077a63074776abdfa48778f8"
                },
                {
                  "introduced": "6c1c6cf20e7d0e287d697a0f4181436013d17c30"
                },
                {
                  "last_affected": "e1b54b7d459c9df42ec511b93d7b3e51bd90f3f9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0"
                      },
                      {
                        "last_affected": "6.2.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.0"
                      },
                      {
                        "last_affected": "7.1.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8040.json"
          }
        }
      ],
      "modified": "2026-10-24T10:50:33.557002492Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/36b3df68fe7311965f6bc4630ca413d2aa99d8f1d53affda85ea70d7%40%3Cusers.trafficserver.apache.org%3E",
        "https://lists.apache.org/thread.html/cc7aa2ce1c6f4fe0c6bfef517763cdaad30ec7bcb0115b73f73f3c01%40%3Cusers.trafficserver.apache.org%3E",
        "https://www.debian.org/security/2018/dsa-4282",
        "https://github.com/apache/trafficserver/pull/3926"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-8040",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442290,
  "published_at": "2018-08-29T13:29:02.2+00:00"
}