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CVE-2026-113596— Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds

Quick assessment

Affected
webstudio-is webstudio
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Webstudio 在 0.256.0 版本之前存在一个授权缺失漏洞，允许已认证用户通过 和 这两个 tRPC 过程读取其他用户的项目数据。攻击者若知晓其他用户的项目 UUID，即可向 处理器发起查询，获取该项目的发布历史、标题、域名、预览图片以及最新构建版本。

CVSS 3.1 · Low EPSS 0.35% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
webstudio-is webstudio < 0.256.0 affected
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I. Basic Information for CVE-2026-113596

Vulnerability Information
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Vulnerability Title
Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
webstudio-is webstudio 0 ~ 0.256.0 -

II. Public POCs for CVE-2026-113596

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-113596

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Patches & Fixes for CVE-2026-113596 (1)

Vendor Advisories for CVE-2026-113596 (1)

Vendor Pages for CVE-2026-113596 (1)

Other References for CVE-2026-113596 (2)

IV. Related Vulnerabilities

Same product: webstudio
Same vendor: webstudio-is
Same weakness: CWE-639