{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-76290", "tracking": { "current_release_date": "2026-10-28T09:14:59.557074Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-76290", "initial_release_date": "2026-10-21T23:39:20.904836Z", "revision_history": [ { "date": "2026-10-21T23:39:20.904836Z", "number": "1", "summary": "CVSS created.| CWES created (1).| Products created (3).| References created (1).| Description created for source.| Unknown change." }, { "date": "2026-10-21T23:39:29.252400Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-10-22T03:41:38.463282Z", "number": "3", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-10-23T15:59:01.228628Z", "number": "4", "summary": "EPSS created.| Unknown change." }, { "date": "2026-10-23T16:04:48.147720Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-10-23T16:41:32.225977Z", "number": "6", "summary": "Unknown change." }, { "date": "2026-10-26T16:34:33.075994Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-10-26T16:34:34.528570Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-10-26T18:39:53.623006Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| Products connected (4).| References created (4)." }, { "date": "2026-10-26T18:39:55.246529Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-10-28T09:13:51.598986Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)" } ], "status": "interim", "version": "11" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/10.0|<10.0.11", "product": { "name": "vers:unknown/10.0|<10.0.11", "product_id": "CSAFPID-9807884" } }, { "category": "product_version_range", "name": "vers:unknown/10.2|<10.2.8", "product": { "name": "vers:unknown/10.2|<10.2.8", "product_id": "CSAFPID-9807885" } }, { "category": "product_version_range", "name": "vers:unknown/10.4|<10.4.4", "product": { "name": "vers:unknown/10.4|<10.4.4", "product_id": "CSAFPID-9807886" } }, { "category": "product_version_range", "name": "vers:unknown/<10.0.11", "product": { "name": "vers:unknown/<10.0.11", "product_id": "CSAFPID-9834979" } }, { "category": "product_version_range", "name": "vers:unknown/<10.2.8", "product": { "name": "vers:unknown/<10.2.8", "product_id": "CSAFPID-9834978" } }, { "category": "product_version_range", "name": "vers:unknown/<10.4.4", "product": { "name": "vers:unknown/<10.4.4", "product_id": "CSAFPID-9834977" } }, { "category": "product_version_range", "name": "vers:unknown/<9.4.16", "product": { "name": "vers:unknown/<9.4.16", "product_id": "CSAFPID-9834980" } } ], "category": "product_name", "name": "Splunk Enterprise" } ], "category": "vendor", "name": "Splunk" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-76290", "notes": [ { "category": "description", "text": "In Splunk Enterprise versions below 10.4.4, 10.2.8, and 10.0.11, an unauthenticated user could send repeated requests to the Edge Processor package download endpoint in the Splunk Pipeline Builders app. The requests could cause the Splunk daemon to consume excessive system resources and potentially stop responding.\nThe vulnerability is possible because the endpoint accepts package download requests without authentication and reads and base64-encodes the complete package in memory for each request.\nAfter upgrading, prepare all existing Edge Processor instances, turn on authentication for Edge Processor package downloads, and restart Splunk Enterprise. For more information, see Enable authentication for Edge Processor package downloads (https://help.splunk.com/en/data-management/process-data-at-the-edge/use-edge-processors-for-splunk-enterprise/10.4/administer-edge-processors/enable-authentication-for-edge-processor-package-downloads).", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-76290" }, { "category": "description", "text": "In Splunk Enterprise versions below 10.4.4, 10.2.8, and 10.0.11, an unauthenticated user could send repeated requests to the Edge Processor package download endpoint in the Splunk Pipeline Builders app. The requests could cause the Splunk daemon to consume excessive system resources and potentially stop responding.\nThe vulnerability is possible because the endpoint accepts package download requests without authentication and reads and base64-encodes the complete package in memory for each request.\nAfter upgrading, prepare all existing Edge Processor instances, turn on authentication for Edge Processor package downloads, and restart Splunk Enterprise. For more information, see Enable authentication for Edge Processor package downloads (https://help.splunk.com/en/data-management/process-data-at-the-edge/use-edge-processors-for-splunk-enterprise/10.4/administer-edge-processors/enable-authentication-for-edge-processor-package-downloads).", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-76290" }, { "category": "other", "text": "0.00406", "title": "EPSS" }, { "category": "other", "text": "5.2", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to (a version of) an uncommon product, There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-9807884", "CSAFPID-9807885", "CSAFPID-9807886", "CSAFPID-9834977", "CSAFPID-9834978", "CSAFPID-9834979", "CSAFPID-9834980" ] }, "references": [ { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76290" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4102.json" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0457" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-76290" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-76290" }, { "category": "external", "summary": "Source - hkcert", "url": "https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities_20261022" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd", "url": "https://advisory.splunk.com/advisories/SVD-2026-1007" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4102.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4102" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://advisory.splunk.com/advisories/SVD-2026-1008" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-9807884", "CSAFPID-9807885", "CSAFPID-9807886", "CSAFPID-9834977", "CSAFPID-9834978", "CSAFPID-9834979", "CSAFPID-9834980" ] } ], "title": "CVE-2026-76290" } ] }