CVE-2026-113596
Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds
- State
- Published
- Severity
- 2.3 Low
- Published
- Oct 20, 2026
- Updated
- Oct 23, 2026
- Reserved
- Oct 20, 2026
Description
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 project UUID can query the /trpc handler to retrieve publish history, titles, domains, preview images, and latest builds.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.3 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 3.1 Low | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
webstudiowebstudio-is |
|
References
- https://github.com/webstudio-is/webstudio/issues/5621issue-tracking
- https://github.com/webstudio-is/webstudio/commit/348d049ed2763d2b6c3e00319fa9086ca67c8aa6patch
- webstudio 0.256.0 Release Notesrelease-notes
- https://github.com/webstudio-is/webstudio/blob/0.255.0/packages/project/src/trpc/project-router.tstechnical-description
- https://github.com/webstudio-is/webstudio/blob/0.255.0/packages/dashboard/src/db/projects.tstechnical-description
- VulnCheck Advisory: Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIdsthird-party-advisory
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