{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25784", "assignerOrgId": "ff95705b-1a40-4639-8017-a58fa868baee", "state": "PUBLISHED", "assignerShortName": "HW", "dateReserved": "2026-02-06T14:21:19.086Z", "datePublished": "2026-10-23T08:54:57.880Z", "dateUpdated": "2026-10-23T08:54:57.880Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ff95705b-1a40-4639-8017-a58fa868baee", "shortName": "HW", "dateUpdated": "2026-10-23T08:54:57.880Z"}, "title": "bluespice/wiki container: Insecure default configuration of service token authentication allows privilege escalation to sysop", "datePublic": "2026-10-19T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1188", "description": "CWE-1188 Initialization of a Resource with an Insecure Default", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "affected": [{"vendor": "Hallo Welt! GmbH", "product": "BlueSpice", "collectionURL": "https://hub.docker.com/r/bluespice/wiki", "packageName": "bluespice/wiki", "repo": "https://github.com/hallowelt/docker-bluespice-wiki", "modules": ["Container bluespice/wiki"], "programFiles": ["root-fs/app/conf/LocalSettings.php"], "versions": [{"status": "affected", "version": "5.2.3", "lessThan": "5.2.7", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "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 $mwsgTokenAuthenticatorServiceCIDR in the container's LocalSettings.php was intended to restrict internal service authentication to the container network, but evaluated to an empty string when the environment variable WIKI_SERVICE_TOKEN_AUTH_ALLOWED was not set. An empty value disables the IP restriction in the token authenticator component (mwstake/mediawiki-component-token-authenticator). As a result, any user with read access to the wiki (anonymous users on publicly readable wikis) could obtain an application token from the REST API and use it to get a session with sysop privileges as the internal service user.\n\nThis issue affects BlueSpice: from 5.2.3 before 5.2.7, and the 5.2.7 container images published before 2026-10-19 15:37 UTC.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Initialization of a Resource with an Insecure Default vulnerability in Hallo Welt! GmbH BlueSpice (container image <code>bluespice/wiki</code>) allows privilege escalation. The default value of <code>$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>"}]}], "references": [{"url": "https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2026-07", "tags": ["vendor-advisory"]}, {"url": "https://github.com/hallowelt/docker-bluespice-wiki/commit/04b840be565b508f6e741c376970909b69d2a444", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "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"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}, {"other": {"type": "Note", "content": {"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)."}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "workarounds": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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."}]}], "solutions": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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."}]}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Hallo Welt! CERT"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://hub.docker.com/r/bluespice/wiki", "defaultStatus": "unaffected", "modules": ["Container bluespice/wiki"], "packageName": "bluespice/wiki", "product": "BlueSpice", "programFiles": ["root-fs/app/conf/LocalSettings.php"], "repo": "https://github.com/hallowelt/docker-bluespice-wiki", "vendor": "Hallo Welt! GmbH", "versions": [{"lessThan": "5.2.7", "status": "affected", "version": "5.2.3", "versionType": "semver"}]}], "source": "security@bluespice.com"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-25784", "lastModified": "2026-10-23T09:17:06.943", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@bluespice.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@bluespice.com", "type": "Secondary"}]}, "published": "2026-10-23T09:17:06.943", "references": [{"source": "security@bluespice.com", "url": "https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2026-07"}, {"source": "security@bluespice.com", "url": "https://github.com/hallowelt/docker-bluespice-wiki/commit/04b840be565b508f6e741c376970909b69d2a444"}], "sourceIdentifier": "security@bluespice.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}, {"lang": "en", "value": "CWE-1188"}], "source": "security@bluespice.com", "type": "Secondary"}]}

{}

{}