276 lines
12 KiB
JSON
276 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-19418",
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"assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
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"state": "PUBLISHED",
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"assignerShortName": "TYPO3",
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"dateReserved": "2026-08-10T10:44:33.352Z",
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"datePublished": "2026-08-11T07:29:37.478Z",
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"dateUpdated": "2026-08-11T13:21:08.298Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
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"shortName": "TYPO3",
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"dateUpdated": "2026-08-11T08:05:01.460Z"
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},
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"title": "TYPO3 CMS - Broken Access Control in Backend and Install Tool",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-346",
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"description": "CWE-346 Origin Validation Error",
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"type": "CWE"
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},
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{
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"lang": "en",
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"cweId": "CWE-352",
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"description": "CWE-352 Cross-Site Request Forgery (CSRF)",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "TYPO3",
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"product": "TYPO3 CMS",
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"collectionURL": "https://packagist.org",
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"packageName": "typo3/cms-backend",
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"repo": "https://github.com/TYPO3/typo3",
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"modules": [
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"Backend",
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"Install"
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],
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"versions": [
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{
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"status": "affected",
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"version": "13.0.0",
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"lessThan": "13.4.34",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "14.0.0",
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"lessThan": "14.3.6",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "TYPO3",
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"product": "TYPO3 CMS",
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"collectionURL": "https://packagist.org",
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"packageName": "typo3/cms-core",
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"repo": "https://github.com/TYPO3/typo3",
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"modules": [
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"Backend",
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"Install"
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],
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"versions": [
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{
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"status": "affected",
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"version": "13.0.0",
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"lessThan": "13.4.34",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "14.0.0",
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"lessThan": "14.3.6",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "TYPO3",
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"product": "TYPO3 CMS",
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"collectionURL": "https://packagist.org",
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"packageName": "typo3/cms-install",
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"repo": "https://github.com/TYPO3/typo3",
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"modules": [
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"Backend",
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"Install"
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],
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"versions": [
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{
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"status": "affected",
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"version": "14.0.0",
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"lessThan": "14.3.6",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "13.4.34",
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"versionStartIncluding": "13.0.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "14.3.6",
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"versionStartIncluding": "14.0.0",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "OR"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 (CVE-2020-11069) became ineffective in TYPO3 v13.0, where TYPO3 CMS started serving the backend and Install Tool applications from the site's main entry script instead of the dedicated typo3/ directory.\n\nWhether a request originated from the backend or Install Tool itself was determined by comparing the referrer against the directory of the entry script, which since then is the site root. As a consequence, requests originating from any script running on one of the TYPO3 instance's own domains, such as a frontend page, were accepted by backend routes and Install Tool endpoints.\n\nAttackers able to execute JavaScript on one of those domains, for instance by exploiting a cross-site scripting vulnerability, could invoke these endpoints via Fetch/XHR with the privileges of an authenticated victim's user session. This issue affects TYPO3 CMS versions 13.0.0-13.4.33 and 14.0.0-14.3.5.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<div><span>The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 (CVE-2020-11069) became ineffective in TYPO3 v13.0, where TYPO3 CMS started serving the backend and Install Tool applications from the site's main entry script instead of the dedicated </span><code>typo3/</code><span> directory.</span></div><div>Whether a request originated from the backend or Install Tool itself was determined by comparing the referrer against the directory of the entry script, which since then is the site root. As a consequence, requests originating from any script running on one of the TYPO3 instance's own domains, such as a frontend page, were accepted by backend routes and Install Tool endpoints.</div><div>Attackers able to execute JavaScript on one of those domains, for instance by exploiting a cross-site scripting vulnerability, could invoke these endpoints via <code>Fetch</code>/<code>XHR</code> with the privileges of an authenticated victim's user session. This issue affects TYPO3 CMS versions 13.0.0-13.4.33 and 14.0.0-14.3.5.</div>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://typo3.org/security/advisory/typo3-core-sa-2026-021",
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"tags": [
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"vendor-advisory"
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]
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},
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{
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"url": "https://typo3.org/security/advisory/typo3-core-sa-2020-006",
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"name": "TYPO3-CORE-SA-2020-006 (previous fix of the same protection mechanism)",
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"tags": [
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"related"
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]
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},
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{
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"url": "https://github.com/TYPO3/typo3/commit/ae0abd329d52285fe6e92804c3608820ad45e872",
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"name": "Git commit of main branch",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/TYPO3/typo3/commit/a0e8ee06a40e959b9e7b06a4b1cb19d3a0d3dcf7",
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"name": "Git commit of 14.3 branch",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/TYPO3/typo3/commit/4a75e862c589c85d795d7c65dcdc835f8f413efc",
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"name": "Git commit of 13.4 branch",
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"tags": [
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"patch"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "LOW",
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"userInteraction": "ACTIVE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "HIGH",
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"baseScore": 7.3,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Hổ Cao Từ",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "Benjamin Franzke",
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"type": "remediation developer"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-11T13:20:52.512047Z",
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"id": "CVE-2026-19418",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-11T13:21:08.298Z"
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}
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}
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]
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}
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} |