CVE-2026-113596
Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | webstudio-is |
| Product | webstudio |
| Published | Oct 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
webstudio-is / webstudio
0 < 0.256.0
References
github.com: https://github.com/webstudio-is/webstudio/issues/5621 github.com: https://github.com/webstudio-is/webstudio/commit/348d049ed2763d2b6c3e00319fa9086ca67c8aa6 github.com: https://github.com/webstudio-is/webstudio/releases/tag/0.256.0 github.com: https://github.com/webstudio-is/webstudio/blob/0.255.0/packages/project/src/trpc/project-router.ts github.com: https://github.com/webstudio-is/webstudio/blob/0.255.0/packages/dashboard/src/db/projects.ts vulncheck.com: https://www.vulncheck.com/advisories/webstudio-before-0.256.0-information-disclosure-via-trpc-publishedbuilds-and-findmanybyids
Credits
lighthousekeeper1212 🔍 leediay153 from Viettel Post