{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104975", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-02T18:16:13.629Z", "datePublished": "2026-10-05T17:44:24.414Z", "dateUpdated": "2026-10-05T18:00:17.007Z"}, "containers": {"cna": {"title": "Plane: Cross-tenant asset authorization bypass in Plane Spaces public-board endpoints", "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": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/makeplane/plane/security/advisories/GHSA-jh4v-88j2-g65v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/makeplane/plane/security/advisories/GHSA-jh4v-88j2-g65v"}, {"name": "https://github.com/makeplane/plane/pull/9288", "tags": ["x_refsource_MISC"], "url": "https://github.com/makeplane/plane/pull/9288"}, {"name": "https://github.com/makeplane/plane/commit/4577dc3f7a6b5a198602b602a45c6b0abdc7204b", "tags": ["x_refsource_MISC"], "url": "https://github.com/makeplane/plane/commit/4577dc3f7a6b5a198602b602a45c6b0abdc7204b"}, {"name": "https://github.com/makeplane/plane/releases/tag/v1.4.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/makeplane/plane/releases/tag/v1.4.0"}], "affected": [{"vendor": "makeplane", "product": "plane", "versions": [{"version": "< 1.4.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-05T17:44:24.414Z"}, "descriptions": [{"lang": "en", "value": "Plane is an open-source project management tool. Prior to 1.4.0, Plane's dashboard asset endpoints in plane/app/views/asset/v2.py were remediated for two cross-tenant asset IDORs, CVE-2026-27705 and CVE-2026-46558. Those fixes added a membership check and project_id and workspace__slug scoping to the asset endpoints in that file. The Spaces app in plane/space/views/asset.py serves related public-board operations under /api/public/ but was not remediated. Its EntityAssetEndpoint and AssetRestoreEndpoint resolve a DeployBoard from a public anchor and then read or modify FileAsset rows scoped only to the board's workspace, without a membership check or project_id constraint. An attacker can therefore read, overwrite, or restore assets across projects and workspaces. This issue is fixed in 1.4.0."}], "source": {"advisory": "GHSA-jh4v-88j2-g65v", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/makeplane/plane/security/advisories/GHSA-jh4v-88j2-g65v", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-05T17:59:48.150470Z", "id": "CVE-2026-104975", "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": "2026-10-05T18:00:17.007Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.4.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "plane", "source": "cna", "vendor": "makeplane"}, "product": "plane", "vendor": "makeplane"}], "created": "2026-10-05T18:30:19.434744+00:00", "updated": "2026-10-05T18:30:19.434781+00:00", "vendors": ["makeplane", "makeplane$PRODUCT$plane"]}