246 lines
12 KiB
JSON
246 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-2026-25784",
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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": "2026-02-06T14:21:19.086Z",
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"datePublished": "2026-10-23T08:54:57.880Z",
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"dateUpdated": "2026-11-02T13:26:03.282Z"
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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": "2026-10-23T08:54:57.880Z"
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},
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"title": "bluespice/wiki container: Insecure default configuration of service token authentication allows privilege escalation to sysop",
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"datePublic": "2026-10-19T00:00:00.000Z",
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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-1188",
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"description": "CWE-1188 Initialization of a Resource with an Insecure Default",
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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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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-269",
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"description": "CWE-269 Improper Privilege Management",
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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-233",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-233 Privilege Escalation"
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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://hub.docker.com/r/bluespice/wiki",
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"packageName": "bluespice/wiki",
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"repo": "https://github.com/hallowelt/docker-bluespice-wiki",
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"modules": [
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"Container bluespice/wiki"
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],
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"programFiles": [
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"root-fs/app/conf/LocalSettings.php"
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],
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"versions": [
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{
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"status": "affected",
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"version": "5.2.3",
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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": "Initialization of a Resource with an Insecure Default vulnerability in Hallo Welt! GmbH BlueSpice (container image bluespice/wiki) allows privilege escalation. The default value of $mwsgTokenAuthenticatorServiceCIDR in the container's LocalSettings.php was intended to restrict internal service authentication to the container network, but evaluated to an empty string when the environment variable WIKI_SERVICE_TOKEN_AUTH_ALLOWED was not set. An empty value disables the IP restriction in the token authenticator component (mwstake/mediawiki-component-token-authenticator). As a result, any user with read access to the wiki (anonymous users on publicly readable wikis) could obtain an application token from the REST API and use it to get a session with sysop privileges as the internal service user.\n\nThis issue affects BlueSpice: from 5.2.3 before 5.2.7, and the 5.2.7 container images published before 2026-10-19 15:37 UTC.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "Initialization of a Resource with an Insecure Default vulnerability in Hallo Welt! GmbH BlueSpice (container image <code>bluespice/wiki</code>) allows privilege escalation. The default value of <code>$mwsgTokenAuthenticatorServiceCIDR</code> in the container's <code>LocalSettings.php</code> was intended to restrict internal service authentication to the container network, but evaluated to an empty string when the environment variable <code>WIKI_SERVICE_TOKEN_AUTH_ALLOWED</code> was not set. An empty value disables the IP restriction in the token authenticator component (<code>mwstake/mediawiki-component-token-authenticator</code>). As a result, any user with read access to the wiki (anonymous users on publicly readable wikis) could obtain an application token from the REST API and use it to get a session with sysop privileges as the internal service user.<p>This issue affects BlueSpice: from 5.2.3 before 5.2.7, and the 5.2.7 container images published before 2026-10-19 15:37 UTC.</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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"url": "https://github.com/hallowelt/docker-bluespice-wiki/commit/04b840be565b508f6e741c376970909b69d2a444",
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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": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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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": "CRITICAL",
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"baseScore": 9.3,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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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"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": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.8,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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}
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},
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{
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"other": {
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"type": "Note",
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"content": {
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"text": "Scored for wikis that allow anonymous read access, where no privileges are required. In the default (non-public) BlueSpice configuration, reading the wiki requires a login (PR:L; CVSS 4.0: 8.7 / CVSS 3.1: 8.8, HIGH)."
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}
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},
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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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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "Set the environment variable WIKI_SERVICE_TOKEN_AUTH_ALLOWED of the wiki containers to the CIDR of the internal container network, or deny access to the REST path /rest.php/mws/v1/app-token/generate on the reverse proxy.",
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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": "Set the environment variable <code>WIKI_SERVICE_TOKEN_AUTH_ALLOWED</code> of the wiki containers to the CIDR of the internal container network, or deny access to the REST path <code>/rest.php/mws/v1/app-token/generate</code> on the reverse proxy."
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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 5.2.7 or later. Container images of 5.2.7 that were pulled before 2026-10-19 15:37 UTC must be pulled again and the containers re-created.",
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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 5.2.7 or later. Container images of 5.2.7 that were pulled before 2026-10-19 15:37 UTC must be pulled again and the containers re-created."
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}
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]
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}
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],
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"source": {
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"discovery": "INTERNAL"
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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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"timestamp": "2026-11-02T13:24:32.786288Z",
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"id": "CVE-2026-25784",
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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": "yes"
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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": "2026-11-02T13:26:03.282Z"
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}
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}
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]
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}
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} |