{"id":"CVE-2026-121631","title":"Lightdash 0.2609.0 before 3.137.0 Cross-Project IDOR via RenameService Dashboard Endpoints","summary":"Lightdash 0.2609.0 before 3.137.0 contains an authorization bypass vulnerability in the RenameService that allows authenticated users with update Project permission on one project to access and modify dashboards belonging to a different …","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"lightdash","product":"lightdash","affected":["lightdash >= 0.2609.0 < 3.137.0"],"published":"2026-11-03","updated":"2026-11-04","sourceUpdated":"2026-11-04T16:02:33.019Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121631","references":[{"url":"https://github.com/lightdash/lightdash/security/advisories/GHSA-h6fw-x63x-9gr6","label":"Vendor Advisory"},{"url":"https://github.com/lightdash/lightdash/releases/tag/3.137.0","label":"Vendor Patch"},{"url":"https://www.vulncheck.com/advisories/lightdash-before-cross-project-idor-via-renameservice-dashboard-endpoints","label":"VulnCheck Advisory: Lightdash 0.2609.0 before 3.137.0 Cross-Project IDOR via RenameService Dashboard Endpoints"}],"tags":["cve.org"],"epss":0.00178,"epssPercentile":0.07365,"ingestedAt":"2026-11-05T21:36:00.448Z","slug":"CVE-2026-121631","body":"## Overview\n\nLightdash 0.2609.0 before 3.137.0 contains an authorization bypass vulnerability in the RenameService that allows authenticated users with update Project permission on one project to access and modify dashboards belonging to a different project, caused by the failure to verify that the projectUuid from the URL matches the projectUuid of the target dashboard. Attackers can send crafted POST requests to the rename/dashboard endpoint to modify foreign dashboard filters and break charts, or send GET requests to the rename/dashboard/fields endpoint to read field metadata from projects they do not have access to.\n\n## Affected\n\n- `lightdash >= 0.2609.0 < 3.137.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}