CVE-2026-25784

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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. 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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. 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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"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T13:24:32.786288Z", "id": "CVE-2026-25784", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-02T13:26:03.282Z"}}]}}

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CERT"}, "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 $mwsgTokenAuthenticatorServiceCIDR in the container's LocalSettings.php was intended to restrict internal service authentication to the container network, but evaluated to an empty string when the environment variable WIKI_SERVICE_TOKEN_AUTH_ALLOWED was not set. An empty value disables the IP restriction in the token authenticator component (mwstake/mediawiki-component-token-authenticator). As a result, any user with read access to the wiki (anonymous users on publicly readable wikis) could obtain an application token from the REST API and use it to get a session with sysop privileges as the internal service user.\n\nThis issue affects BlueSpice: from 5.2.3 before 5.2.7, and the 5.2.7 container images published before 2026-10-19 15:37 UTC.", "supportingMedia": [{"type": "text/html", "value": "Initialization of a Resource with an Insecure Default vulnerability in Hallo Welt! GmbH BlueSpice (container image <code>bluespice/wiki</code>) allows privilege escalation. The default value of <code>$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>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1188", "description": "CWE-1188 Initialization of a Resource with an Insecure Default"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "ff95705b-1a40-4639-8017-a58fa868baee", "shortName": "HW", "dateUpdated": "2026-10-23T08:54:57.880Z"}}}, "cveMetadata": {"cveId": "CVE-2026-25784", "state": "PUBLISHED", "dateUpdated": "2026-11-02T13:26:03.282Z", "dateReserved": "2026-02-06T14:21:19.086Z", "assignerOrgId": "ff95705b-1a40-4639-8017-a58fa868baee", "datePublished": "2026-10-23T08:54:57.880Z", "assignerShortName": "HW"}, "dataVersion": "5.2"}

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{"created": "2026-10-23T10:30:09.099840+00:00", "updated": "2026-10-23T10:30:09.099848+00:00", "vendors": []}