{"id":"CVE-2026-113596","title":"Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds","summary":"Webstudio before 0.256.0 contains a missing authorization vulnerability that allows authenticated users to read other users' project data via the publishedBuilds and findManyByIds tRPC procedures. Attackers who know another user's projec…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"webstudio-is","product":"webstudio","affected":["webstudio < 0.256.0"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T15:40:25.087Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113596","references":[{"url":"https://github.com/webstudio-is/webstudio/issues/5621"},{"url":"https://github.com/webstudio-is/webstudio/commit/348d049ed2763d2b6c3e00319fa9086ca67c8aa6"},{"url":"https://github.com/webstudio-is/webstudio/releases/tag/0.256.0","label":"webstudio 0.256.0 Release Notes"},{"url":"https://github.com/webstudio-is/webstudio/blob/0.255.0/packages/project/src/trpc/project-router.ts"},{"url":"https://github.com/webstudio-is/webstudio/blob/0.255.0/packages/dashboard/src/db/projects.ts"},{"url":"https://www.vulncheck.com/advisories/webstudio-before-0.256.0-information-disclosure-via-trpc-publishedbuilds-and-findmanybyids","label":"VulnCheck Advisory: Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T16:10:53.304Z","slug":"CVE-2026-113596","body":"## Overview\n\nWebstudio before 0.256.0 contains a missing authorization vulnerability that allows authenticated users to read other users' project data via the publishedBuilds and findManyByIds tRPC procedures. Attackers who know another user's project UUID can query the /trpc handler to retrieve publish history, titles, domains, preview images, and latest builds.\n\n## Affected\n\n- `webstudio < 0.256.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}