236 lines
11 KiB
JSON
236 lines
11 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-2026-25716",
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"assignerOrgId": "ff95705b-1a40-4639-8017-a58fa868baee",
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"state": "PUBLISHED",
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"assignerShortName": "HW",
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"dateReserved": "2026-02-06T14:21:19.094Z",
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"datePublished": "2026-10-23T08:53:47.208Z",
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"dateUpdated": "2026-10-29T01:52:06.615Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "ff95705b-1a40-4639-8017-a58fa868baee",
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"shortName": "HW",
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"dateUpdated": "2026-10-23T08:56:11.231Z"
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},
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"title": "BlueSpiceUserManager: Missing authorization in REST endpoints for blocking and unblocking users",
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"datePublic": "2026-10-02T00:00:00.000Z",
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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-862",
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"description": "CWE-862 Missing Authorization",
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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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"impacts": [
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{
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"capecId": "CAPEC-122",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-122 Privilege Abuse"
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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": "Hallo Welt! GmbH",
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"product": "BlueSpice",
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"collectionURL": "https://github.com/wikimedia/mediawiki-extensions-BlueSpiceUserManager",
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"packageName": "Extension:BlueSpiceUserManager",
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"repo": "https://gerrit.wikimedia.org/r/mediawiki/extensions/BlueSpiceUserManager",
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"programFiles": [
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"src/UserManager.php",
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"src/Rest/BlockUsersHandler.php",
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"src/Rest/UnblockUsersHandler.php"
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],
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"programRoutines": [
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{
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"name": "BlueSpice\\UserManager\\UserManager::blockUser"
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},
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{
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"name": "BlueSpice\\UserManager\\UserManager::unblockUser"
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}
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],
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"versions": [
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{
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"status": "affected",
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"version": "5.0.0",
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"lessThan": "5.1.11",
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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": "5.2.0",
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"lessThan": "5.2.7",
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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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"descriptions": [
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{
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"lang": "en",
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"value": "Missing Authorization vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceUserManager) allows any authenticated user without special privileges to block or unblock arbitrary user accounts, including administrators. The REST endpoints /bs-usermanager/v1/block/create and /bs-usermanager/v1/block/delete call UserManager::blockUser() and UserManager::unblockUser(), which do not verify the permissions of the acting user. This allows locking out all administrators (denial of service) and lifting blocks imposed by administrators.\n\nThis issue affects BlueSpice: from 5.0.0 before 5.1.11, from 5.2.0 before 5.2.7.",
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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": "Missing Authorization vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceUserManager) allows any authenticated user without special privileges to block or unblock arbitrary user accounts, including administrators. The REST endpoints <code>/bs-usermanager/v1/block/create</code> and <code>/bs-usermanager/v1/block/delete</code> call <code>UserManager::blockUser()</code> and <code>UserManager::unblockUser()</code>, which do not verify the permissions of the acting user. This allows locking out all administrators (denial of service) and lifting blocks imposed by administrators.<p>This issue affects BlueSpice: from 5.0.0 before 5.1.11, from 5.2.0 before 5.2.7.</p>"
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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://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2026-07",
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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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"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": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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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": 7.1,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N"
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}
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},
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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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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.1,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H"
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}
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "Deny access to the REST paths /rest.php/bs-usermanager/v1/block/create and /rest.php/bs-usermanager/v1/block/delete on the web server or reverse proxy. Note that this also disables enabling/disabling users from Special:UserManager.",
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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": "Deny access to the REST paths <code>/rest.php/bs-usermanager/v1/block/create</code> and <code>/rest.php/bs-usermanager/v1/block/delete</code> on the web server or reverse proxy. Note that this also disables enabling/disabling users from Special:UserManager."
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Update to BlueSpice 5.1.11 or 5.2.7 or later.",
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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": "Update to BlueSpice 5.1.11 or 5.2.7 or later."
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}
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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": "kta1kri",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Hallo Welt! CERT"
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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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"id": "CVE-2026-25716",
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"role": "CISA Coordinator",
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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": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-29T01:40:46.901774Z"
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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": "2026-10-29T01:52:06.615Z"
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}
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}
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]
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}
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} |