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Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-113596

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-113596

webstudio

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/webstudio-is/webstudio",
    "vendor": "webstudio-is",
    "product": "webstudio",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "0.256.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-113596

Source reference: /cveMetadata/cveId

Publisher severity

low

Source reference: /containers/cna/metrics

Event
#52536 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement