{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68559", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-30T19:56:44.102Z", "datePublished": "2026-08-19T19:20:32.150Z", "dateUpdated": "2026-08-19T19:38:29.386Z"}, "containers": {"cna": {"title": "Wekan: Broken access control in the Excel-export route (`/api/boards/:boardId/exportExcel`)", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/wekan/wekan/security/advisories/GHSA-mwq8-ccpm-r533", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/wekan/wekan/security/advisories/GHSA-mwq8-ccpm-r533"}, {"name": "https://github.com/wekan/wekan/commit/7bbd1a3fad5d868fd01d79b5908913e215698e8e", "tags": ["x_refsource_MISC"], "url": "https://github.com/wekan/wekan/commit/7bbd1a3fad5d868fd01d79b5908913e215698e8e"}, {"name": "https://github.com/wekan/wekan/releases/tag/v9.74", "tags": ["x_refsource_MISC"], "url": "https://github.com/wekan/wekan/releases/tag/v9.74"}], "affected": [{"vendor": "wekan", "product": "wekan", "versions": [{"version": ">= 9.57, < 9.74", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-19T19:20:32.150Z"}, "descriptions": [{"lang": "en", "value": "Wekan is open source kanban built with Meteor. From 9.57 until 9.74, the /api/boards/:boardId/exportExcel route in models/exportExcel.js called the asynchronous exporterExcel.canExport(user) authorization guard from models/server/ExporterExcel.js without awaiting it. The returned Promise was always truthy, so exporterExcel.build(res) ran even when board.isVisibleBy(user) would deny access, allowing any authenticated non-member to download private board card titles, descriptions, lists, swimlanes, members, and metadata. This issue is fixed in version 9.74."}], "source": {"advisory": "GHSA-mwq8-ccpm-r533", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/wekan/wekan/security/advisories/GHSA-mwq8-ccpm-r533", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-19T19:36:32.021362Z", "id": "CVE-2026-68559", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-19T19:38:29.386Z"}}]}}

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