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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-84718",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "state": "PUBLISHED",
        "assignerShortName": "redhat",
        "dateReserved": "2026-09-02T01:18:24.873Z",
        "datePublished": "2026-09-23T19:40:33.062Z",
        "dateUpdated": "2026-10-16T11:55:19.754Z"
    },
    "containers": {
        "cna": {
            "title": "Automation-controller: automation-controller: client ip spoofing in audit/access logs via unrestricted x-forwarded-for trust",
            "metrics": [
                {
                    "other": {
                        "content": {
                            "value": "Moderate",
                            "namespace": "https://access.redhat.com/security/updates/classification/"
                        },
                        "type": "Red Hat severity rating"
                    }
                },
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 4.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A flaw was found in the Ansible Automation Platform automation-controller. In the shipped\nproduction configuration, the Controller trusts the client-supplied X-Forwarded-For header as\nthe request's client IP without verifying that it originated from a trusted proxy, and selects\nthe leftmost (attacker-controlled) header value. As a result, an attacker can forge the source\nIP address recorded for their requests in the Controller's audit and access logs, degrading\nthe integrity of forensic and SIEM attribution. The flaw does not grant additional access."
                }
            ],
            "affected": [
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Ansible Automation Platform 2.5 for RHEL 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "automation-controller",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:4.6.33-1.el8ap",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:ansible_automation_platform:2.5::el8",
                        "cpe:/a:redhat:ansible_automation_platform:2.5::el9",
                        "cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8",
                        "cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9",
                        "cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8",
                        "cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Ansible Automation Platform 2.5 for RHEL 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "automation-controller",
                    "defaultStatus": "affected",
                    "versions": [
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                            "version": "0:4.6.33-1.el9ap",
                            "lessThan": "*",
                            "versionType": "rpm",
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                    ],
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                        "cpe:/a:redhat:ansible_automation_platform:2.5::el8",
                        "cpe:/a:redhat:ansible_automation_platform:2.5::el9",
                        "cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8",
                        "cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9",
                        "cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8",
                        "cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Ansible Automation Platform 2.6 for RHEL 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "automation-controller",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:4.7.17-1.el9ap",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:ansible_automation_platform:2.6::el10",
                        "cpe:/a:redhat:ansible_automation_platform:2.6::el9",
                        "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10",
                        "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9",
                        "cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Ansible Automation Platform 2.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "ansible-automation-platform-26/controller-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1789673739",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:ansible_automation_platform:2.6::el9"
                    ]
                },
                {
                    "vendor": "Red Hat",
                    "product": "Red Hat Ansible Automation Platform 2.7",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "ansible-automation-platform-27/controller-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1789580684",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:ansible_automation_platform:2.7::el9"
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:71113",
                    "name": "RHSA-2026:71113",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:71114",
                    "name": "RHSA-2026:71114",
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                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:71177",
                    "name": "RHSA-2026:71177",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:71179",
                    "name": "RHSA-2026:71179",
                    "tags": [
                        "vendor-advisory",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://access.redhat.com/security/cve/CVE-2026-84718",
                    "tags": [
                        "vdb-entry",
                        "x_refsource_REDHAT"
                    ]
                },
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527211",
                    "name": "RHBZ#2527211",
                    "tags": [
                        "issue-tracking",
                        "x_refsource_REDHAT"
                    ]
                }
            ],
            "datePublic": "2026-09-23T00:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-348",
                            "description": "Use of Less Trusted Source",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "x_redhatCweChain": "CWE-348: Use of Less Trusted Source",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Note that merely populating PROXY_IP_ALLOWED_LIST does not fully resolve the issue in the shipped Envoy-fronted deployment, because the leftmost (attacker-controlled) X-Forwarded-For entry is still selected as the client IP, and the trusted-proxy shared-secret mechanism (a valid HTTP_X_TRUSTED_PROXY header), which makes Controller prefer the trusted rightmost X-Forwarded-For entry, is not enabled by default. Updated automation-controller packages that address this flaw are available for the Ansible Automation Platform 2.5, 2.6, and 2.7 update streams; the Ansible Automation Platform 2.4 stream will not receive a fix for this issue."
                }
            ],
            "timeline": [
                {
                    "lang": "en",
                    "time": "2026-09-02T01:18:40.552Z",
                    "value": "Reported to Red Hat."
                },
                {
                    "lang": "en",
                    "time": "2026-09-23T00:00:00.000Z",
                    "value": "Made public."
                }
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            {
                "metrics": [
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                                "timestamp": "2026-09-24T14:18:44.214387Z",
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