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.
Published: 2026-10-20
Score: 2.3 Low
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 2.3, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T15:40:25.087Z

Reserved: 2026-10-20T11:48:38.957Z

Link: CVE-2026-113596

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-20T16:17:08.340

Modified: 2026-10-20T16:17:08.687

Link: CVE-2026-113596

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T17:30:13Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key