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The unauthenticated\nBitbucket Data Center webhook receiver skips HMAC signature verification for diagnostics:ping\nevents after it has already looked up the target template, causing the endpoint to return HTTP\n200 for a template that has a Bitbucket DC webhook configured and HTTP 403 otherwise. An\nunauthenticated remote attacker can use this response discrepancy as an oracle to enumerate\nwhich Job Template and Workflow Job Template IDs have Bitbucket DC webhooks configured, without\nknowing the secret webhook_key."}], "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": [{"version": "0:4.6.33-1.el9ap", "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 2.6 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", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-automation-platform-26/controller-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"]}, {"vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-automation-platform-27/controller-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"]}], "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", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-84717", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527210", "name": "RHBZ#2527210", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-23T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-204", "description": "Observable Response Discrepancy", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-204: Observable Response Discrepancy", "timeline": [{"lang": "en", "time": "2026-09-02T01:13:15.073Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-23T00:00:00.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-24T03:41:32.819Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"affected_release": [{"advisory": "RHSA-2026:71113", "cpe": "cpe:/a:redhat:ansible_automation_platform:2.6::el9", "package": "automation-controller-0:4.7.17-1.el9ap", "product_name": "Red Hat Ansible Automation Platform 2.6 for RHEL 9", "release_date": "2026-09-23T00:00:00Z"}], "bugzilla": {"description": "automation-controller: automation-controller: unauthenticated 200-vs-403 oracle in Bitbucket Data Center webhook receiver enumerates webhook-enabled job templates", "id": "2527210", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527210"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-204", "details": ["A flaw was found in the Ansible Automation Platform automation-controller. The unauthenticated\nBitbucket Data Center webhook receiver skips HMAC signature verification for diagnostics:ping\nevents after it has already looked up the target template, causing the endpoint to return HTTP\n200 for a template that has a Bitbucket DC webhook configured and HTTP 403 otherwise. An\nunauthenticated remote attacker can use this response discrepancy as an oracle to enumerate\nwhich Job Template and Workflow Job Template IDs have Bitbucket DC webhooks configured, without\nknowing the secret webhook_key."], "name": "CVE-2026-84717", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-26/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-27/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}], "public_date": "2026-09-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-84717\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-84717"], "statement": "This flaw is an unauthenticated information-disclosure (target enumeration) weakness in the\nautomation-controller Bitbucket Data Center webhook receiver. Confidentiality impact is limited\nto the existence and webhook configuration of template IDs; no secret webhook_key, credential,\nor payload content is exposed, and the ping code path performs no action (integrity and\navailability are not affected). The correct fix is to make the unsigned diagnostics:ping\nresponse independent of whether a matching template exists \u2014 either by performing the\nping/is_ignored_request short-circuit before get_object(), or by requiring a valid\nX-Hub-Signature for ping as well.", "threat_severity": "Moderate"}

{"created": "2026-09-23T21:15:09.157460+00:00", "updated": "2026-09-23T21:15:09.157473+00:00", "vendors": []}