{
"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-2026-20253",
"tracking": {
"current_release_date": "2026-08-06T19:55:23.305853Z",
"generator": {
"date": "2026-02-17T15:00:00Z",
"engine": {
"name": "V.E.L.M.A",
"version": "1.7"
}
},
"id": "CVE-2026-20253",
"initial_release_date": "2026-06-10T18:48:05.242457Z",
"revision_history": [
{
"date": "2026-06-10T18:48:05.242457Z",
"number": "1",
"summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
},
{
"date": "2026-06-10T18:48:07.254948Z",
"number": "2",
"summary": "NCSC Score created."
},
{
"date": "2026-06-10T18:56:05.053789Z",
"number": "3",
"summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (4).| References created (1).| CWES updated (1)."
},
{
"date": "2026-06-10T18:56:07.080678Z",
"number": "4",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-10T19:39:25.540643Z",
"number": "5",
"summary": "Unknown change."
},
{
"date": "2026-06-11T05:38:54.931554Z",
"number": "6",
"summary": "Unknown change."
},
{
"date": "2026-06-11T11:30:38.809841Z",
"number": "7",
"summary": "Source connected.| CVE status created. (valid)| Products connected (4).| References created (11)."
},
{
"date": "2026-06-11T11:30:41.150056Z",
"number": "8",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-11T11:31:36.845374Z",
"number": "9",
"summary": "Source connected.| CVE status created. (valid)| News created (1)."
},
{
"date": "2026-06-11T11:31:41.548155Z",
"number": "10",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-11T15:04:30.536611Z",
"number": "11",
"summary": "Source connected.| CVE status created. (valid)| EPSS created."
},
{
"date": "2026-06-11T15:04:35.970020Z",
"number": "12",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-11T16:18:03.929801Z",
"number": "13",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-12T02:41:41.411627Z",
"number": "14",
"summary": "Source created.| CVE status created. (valid)"
},
{
"date": "2026-06-13T13:20:08.360771Z",
"number": "15",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-15T06:00:56.189324Z",
"number": "16",
"summary": "Source created.| CVE status created. (valid)| Description created for source.| Exploits created (1).| References created (2)."
},
{
"date": "2026-06-15T06:00:56.729853Z",
"number": "17",
"summary": "Source created.| CVE status created. (valid)| Description created for source.| Exploits created (1).| References created (2)."
},
{
"date": "2026-06-15T08:31:22.676622Z",
"number": "18",
"summary": "Source connected.| CVE status created. (valid)"
},
{
"date": "2026-06-15T10:05:56.756397Z",
"number": "19",
"summary": "References created (1)."
},
{
"date": "2026-06-15T10:05:58.541245Z",
"number": "20",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-15T11:18:18.319507Z",
"number": "21",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-15T15:25:14.664215Z",
"number": "22",
"summary": "Products connected (2).| Product Identifiers created (2)."
},
{
"date": "2026-06-15T15:25:17.606025Z",
"number": "23",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-15T17:52:24.612823Z",
"number": "24",
"summary": "EPSS updated."
},
{
"date": "2026-06-15T17:52:28.660551Z",
"number": "25",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-15T21:17:36.990103Z",
"number": "26",
"summary": "Description removed for source.| Description created for source.| Products removed (2)."
},
{
"date": "2026-06-15T21:17:43.085871Z",
"number": "27",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-15T21:25:08.702114Z",
"number": "28",
"summary": "Description removed for source.| Description created for source."
},
{
"date": "2026-06-15T22:25:07.488391Z",
"number": "29",
"summary": "Description removed for source.| Description created for source."
},
{
"date": "2026-06-15T22:48:43.090195Z",
"number": "30",
"summary": "Description removed for source.| Description created for source."
},
{
"date": "2026-06-16T04:39:14.921750Z",
"number": "31",
"summary": "Unknown change."
},
{
"date": "2026-06-16T05:15:45.532606Z",
"number": "32",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-16T15:26:15.230181Z",
"number": "33",
"summary": "References created (1)."
},
{
"date": "2026-06-16T15:26:17.152331Z",
"number": "34",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-16T15:43:19.029408Z",
"number": "35",
"summary": "Exploits created (1)."
},
{
"date": "2026-06-16T15:43:24.744138Z",
"number": "36",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-18T17:07:49.287168Z",
"number": "37",
"summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products created (1).| Exploits created (1).| References created (2).| CWES updated (1)."
},
{
"date": "2026-06-18T17:07:54.152236Z",
"number": "38",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-18T18:39:32.885018Z",
"number": "39",
"summary": "References created (1).| Unknown change."
},
{
"date": "2026-06-19T04:30:44.137827Z",
"number": "40",
"summary": "Source created.| CVE status created. (valid)| News created (1)."
},
{
"date": "2026-06-19T06:47:47.565331Z",
"number": "41",
"summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| Exploits created (1).| References created (1).| Exploitable created."
},
{
"date": "2026-06-19T08:29:36.673135Z",
"number": "42",
"summary": "Source created.| CVE status created. (valid)| News created (1)."
},
{
"date": "2026-06-19T08:29:39.793444Z",
"number": "43",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-19T11:04:50.137938Z",
"number": "44",
"summary": "Source created.| CVE status created. (valid)| News created (1)."
},
{
"date": "2026-06-19T11:05:00.643901Z",
"number": "45",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-19T12:20:43.518630Z",
"number": "46",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-19T16:03:36.471277Z",
"number": "47",
"summary": "EPSS updated."
},
{
"date": "2026-06-19T16:03:45.908403Z",
"number": "48",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-19T17:29:49.724826Z",
"number": "49",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-22T23:20:59.247227Z",
"number": "50",
"summary": "Exploits created (1).| References created (1)."
},
{
"date": "2026-06-22T23:21:02.722262Z",
"number": "51",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-23T08:29:02.793914Z",
"number": "52",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-23T10:15:51.000728Z",
"number": "53",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-23T23:52:14.230637Z",
"number": "54",
"summary": "EPSS updated."
},
{
"date": "2026-06-23T23:52:17.689419Z",
"number": "55",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-27T13:17:48.186757Z",
"number": "56",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-27T17:42:56.831998Z",
"number": "57",
"summary": "EPSS updated."
},
{
"date": "2026-06-27T17:42:58.542511Z",
"number": "58",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-30T13:20:52.915062Z",
"number": "59",
"summary": "NCSC Score updated."
},
{
"date": "2026-06-30T14:32:04.735327Z",
"number": "60",
"summary": "NCSC Score updated."
},
{
"date": "2026-07-19T11:17:48.485537Z",
"number": "61",
"summary": "NCSC Score updated."
},
{
"date": "2026-07-22T18:57:52.197082Z",
"number": "62",
"summary": "Source connected.| CVE status created. (valid)| EPSS created."
},
{
"date": "2026-07-22T18:57:53.588146Z",
"number": "63",
"summary": "NCSC Score updated."
},
{
"date": "2026-07-23T17:18:36.233884Z",
"number": "64",
"summary": "NCSC Score updated."
},
{
"date": "2026-07-24T15:22:49.145662Z",
"number": "65",
"summary": "EPSS updated."
},
{
"date": "2026-07-24T15:22:51.026465Z",
"number": "66",
"summary": "NCSC Score updated."
},
{
"date": "2026-08-05T10:29:18.112372Z",
"number": "67",
"summary": "NCSC Score updated."
},
{
"date": "2026-08-06T15:36:46.238061Z",
"number": "68",
"summary": "EPSS updated."
},
{
"date": "2026-08-06T15:36:50.886383Z",
"number": "69",
"summary": "NCSC Score updated."
}
],
"status": "interim",
"version": "69"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "vers:unknown/unknown",
"product": {
"name": "vers:unknown/unknown",
"product_id": "CSAFPID-8477725"
}
}
],
"category": "product_name",
"name": "Enterprise"
},
{
"branches": [
{
"category": "product_version_range",
"name": "vers:unknown/unknown",
"product": {
"name": "vers:unknown/unknown",
"product_id": "CSAFPID-8479402"
}
}
],
"category": "product_name",
"name": "Splunk Cloud Platform"
},
{
"branches": [
{
"category": "product_version_range",
"name": "vers:unknown/10.0|<10.0.7",
"product": {
"name": "vers:unknown/10.0|<10.0.7",
"product_id": "CSAFPID-8264878"
}
},
{
"category": "product_version_range",
"name": "vers:unknown/10.2|<10.2.4",
"product": {
"name": "vers:unknown/10.2|<10.2.4",
"product_id": "CSAFPID-8264877"
}
},
{
"category": "product_version_range",
"name": "vers:unknown/<10.0.7",
"product": {
"name": "vers:unknown/<10.0.7",
"product_id": "CSAFPID-8300439"
}
},
{
"category": "product_version_range",
"name": "vers:unknown/<10.2.4",
"product": {
"name": "vers:unknown/<10.2.4",
"product_id": "CSAFPID-8300440"
}
},
{
"category": "product_version_range",
"name": "vers:unknown/<9.3.13",
"product": {
"name": "vers:unknown/<9.3.13",
"product_id": "CSAFPID-8300437"
}
},
{
"category": "product_version_range",
"name": "vers:unknown/<9.4.12",
"product": {
"name": "vers:unknown/<9.4.12",
"product_id": "CSAFPID-8300438"
}
},
{
"category": "product_version_range",
"name": "vers:unknown/unknown",
"product": {
"name": "vers:unknown/unknown",
"product_id": "CSAFPID-8479403"
}
}
],
"category": "product_name",
"name": "Splunk Enterprise"
},
{
"branches": [
{
"category": "product_version_range",
"name": "vers:unknown/>=10.0.0|<10.0.7",
"product": {
"name": "vers:unknown/>=10.0.0|<10.0.7",
"product_id": "CSAFPID-8370035",
"product_identification_helper": {
"cpe": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*"
}
}
},
{
"category": "product_version_range",
"name": "vers:unknown/>=10.2.0|<10.2.4",
"product": {
"name": "vers:unknown/>=10.2.0|<10.2.4",
"product_id": "CSAFPID-8370036",
"product_identification_helper": {
"cpe": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*"
}
}
}
],
"category": "product_name",
"name": "splunk"
}
],
"category": "vendor",
"name": "Splunk"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-20253",
"cwe": {
"id": "CWE-306",
"name": "Missing Authentication for Critical Function"
},
"notes": [
{
"category": "description",
"text": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.3 and 10.2.2510.14, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.
The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials.\n",
"title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/raw/8cdd37b82754f65902bb8b4943fe1cbf972411b8/http%2Fcves%2F2026%2FCVE-2026-20253.yaml"
},
{
"category": "description",
"text": "In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.3 and 10.2.2510.14, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.
The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials.\n",
"title": "nucleitemplates - https://github.com/projectdiscovery/nuclei-templates/raw/2dfcbbf9dc182daf9fd9b5cb4f5a9f3a8b19bf87/http%2Fcves%2F2026%2FCVE-2026-20253.yaml"
},
{
"category": "description",
"text": "In Splunk Enterprise 10.2 versions below 10.2.4 and 10 versions below 10.0.7, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint. The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials. Splunk Enterprise versions 9.4 and earlier are not affected. If you cannot immediately upgrade to a fixed version, you can mitigate this vulnerability by disabling the PostgreSQL sidecar service.",
"title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-20253"
},
{
"category": "description",
"text": "In Splunk Enterprise 10.2 versions below 10.2.4 and 10 versions below 10.0.7, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint. The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials. Splunk Enterprise versions 9.4 and earlier are not affected. If you cannot immediately upgrade to a fixed version, you can mitigate this vulnerability by disabling the PostgreSQL sidecar service.",
"title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/20xxx/CVE-2026-20253.json"
},
{
"category": "description",
"text": "Splunk Enterprise contains a missing authentication for critical function vulnerability which could allow an unauthenticated user to create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.\nApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
"title": "cisagov - https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json"
},
{
"category": "description",
"text": "In Splunk Enterprise 10.2 versions below 10.2.4 and 10 versions below 10.0.7, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint. The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials. Splunk Enterprise versions 9.4 and earlier are not affected. If you cannot immediately upgrade to a fixed version, you can mitigate this vulnerability by disabling the PostgreSQL sidecar service.",
"title": "euvdkev - https://euvdservices.enisa.europa.eu/api/search?fromScore=0&toScore=10&fromEpss=0&toEpss=100&exploited=true&page=0&size=50"
},
{
"category": "other",
"text": "0.96939",
"title": "EPSS"
},
{
"category": "other",
"text": "7.3",
"title": "NCSC Score"
},
{
"category": "other",
"text": "There is product data available from source Certbundde, There is cvss data available from a private source, There is product data available from a private source, The value of the most recent EPSS score, There is exploit data available from a private source, There is news data available from source Bleepingcomputer, Is related to (a version of) an uncommon product",
"title": "NCSC Score top increasing factors"
},
{
"category": "other",
"text": "There is exploit data available from source Nvd, There is exploit data available from source Cveprojectv5",
"title": "NCSC Score top decreasing factors"
}
],
"product_status": {
"known_affected": [
"CSAFPID-8264877",
"CSAFPID-8264878",
"CSAFPID-8300437",
"CSAFPID-8300438",
"CSAFPID-8300439",
"CSAFPID-8300440",
"CSAFPID-8370035",
"CSAFPID-8370036",
"CSAFPID-8477725",
"CSAFPID-8479402",
"CSAFPID-8479403"
]
},
"references": [
{
"category": "external",
"summary": "Source - nvd",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-20253"
},
{
"category": "external",
"summary": "Source - cveprojectv5",
"url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/20xxx/CVE-2026-20253.json"
},
{
"category": "external",
"summary": "Source - securityweek",
"url": "https://www.securityweek.com/splunk-palo-alto-networks-patch-severe-vulnerabilities/"
},
{
"category": "external",
"summary": "Source - certbundde",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1877.json"
},
{
"category": "external",
"summary": "Source - first",
"url": "https://api.first.org/data/v1/epss?limit=10000&offset=20000"
},
{
"category": "external",
"summary": "Source - hkcert",
"url": "https://www.hkcert.org/security-bulletin/splunk-products-multiple-vulnerabilities_20260612"
},
{
"category": "external",
"summary": "Source - nucleitemplates",
"url": "https://github.com/projectdiscovery/nuclei-templates/raw/2dfcbbf9dc182daf9fd9b5cb4f5a9f3a8b19bf87/http%2Fcves%2F2026%2FCVE-2026-20253.yaml"
},
{
"category": "external",
"summary": "Source - nucleitemplates",
"url": "https://github.com/projectdiscovery/nuclei-templates/raw/8cdd37b82754f65902bb8b4943fe1cbf972411b8/http%2Fcves%2F2026%2FCVE-2026-20253.yaml"
},
{
"category": "external",
"summary": "Source - ncscclear",
"url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0198"
},
{
"category": "external",
"summary": "Source - euvdkev",
"url": "https://euvdservices.enisa.europa.eu/api/search?fromScore=0&toScore=10&fromEpss=0&toEpss=100&exploited=true&page=0&size=50"
},
{
"category": "external",
"summary": "Source - cisagov",
"url": "https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json"
},
{
"category": "external",
"summary": "Source - securityweek",
"url": "https://www.securityweek.com/splunk-enterprise-vulnerability-exploited-in-attacks-days-after-disclosure/"
},
{
"category": "external",
"summary": "Source - securitynl",
"url": "https://www.security.nl/posting/941168/Splunk+waarschuwt+voor+actief+misbruik+van+kritiek+lek+in+Splunk+Enterprise?channel=rss"
},
{
"category": "external",
"summary": "Source - bleepingcomputer",
"url": "https://www.bleepingcomputer.com/news/security/cisa-splunk-enterprise-flaw-actively-exploited-patch-by-sunday/"
},
{
"category": "external",
"summary": "Source - first",
"url": "https://api.first.org/data/v1/epss?limit=10000&offset=30000"
},
{
"category": "external",
"summary": "News - securityweek",
"url": "https://www.securityweek.com/splunk-palo-alto-networks-patch-severe-vulnerabilities/"
},
{
"category": "external",
"summary": "News - securityweek",
"url": "https://www.securityweek.com/splunk-enterprise-vulnerability-exploited-in-attacks-days-after-disclosure/"
},
{
"category": "external",
"summary": "News - securitynl",
"url": "https://www.security.nl/posting/941168/Splunk+waarschuwt+voor+actief+misbruik+van+kritiek+lek+in+Splunk+Enterprise?channel=rss"
},
{
"category": "external",
"summary": "News - bleepingcomputer",
"url": "https://www.bleepingcomputer.com/news/security/cisa-splunk-enterprise-flaw-actively-exploited-patch-by-sunday/"
},
{
"category": "external",
"summary": "Reference - certbundde; cisagov; cveprojectv5; euvdkev; nvd",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0603"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1877.json"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1877"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0601"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0602"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0604"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0605"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0606"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0607"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0608"
},
{
"category": "external",
"summary": "Reference - certbundde",
"url": "https://advisory.splunk.com/advisories/SVD-2026-0609"
},
{
"category": "external",
"summary": "Reference - certbundde; nucleitemplates; nvd",
"url": "https://labs.watchtowr.com/why-use-app-level-auth-when-every-database-has-auth-splunk-enterprise-cve-2026-20253-pre-auth-rce/"
},
{
"category": "external",
"summary": "Reference - nucleitemplates",
"url": "https://github.com/watchtowrlabs/watchTowr-vs-Splunk-CVE-2026-20253/blob/main/watchTowr-vs-Splunk-CVE-2026-20253.py"
},
{
"category": "external",
"summary": "Reference - cisagov",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20253"
},
{
"category": "external",
"summary": "Reference - cveprojectv5; nvd",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20253"
}
],
"scores": [
{
"cvss_v3": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL"
},
"products": [
"CSAFPID-8264877",
"CSAFPID-8264878",
"CSAFPID-8300437",
"CSAFPID-8300438",
"CSAFPID-8300439",
"CSAFPID-8300440",
"CSAFPID-8370035",
"CSAFPID-8370036",
"CSAFPID-8477725",
"CSAFPID-8479402",
"CSAFPID-8479403"
]
}
],
"threats": [
{
"category": "exploit_status",
"details": "exploited"
}
],
"title": "CVE-2026-20253"
}
]
}