CVE-2026-113596 Webstudio before 0.256.0 Information Disclosure via tRPC publishedBuilds and findManyByIds
Low 2.3
Published
Updated
Check this codebase for CVE-2026-113596 and fix it if it is affected.
What it is: CVE-2026-113596 is a low-severity vulnerability in webstudio-is webstudio, published on 20 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-113596 in the wild and no public exploit code.
Affected product: webstudio-is webstudio. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-113596/ (Markdown: https://insights.sbomify.com/CVE-2026-113596/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-113596?
CVE-2026-113596 is a low-severity vulnerability in webstudio-is webstudio, published on 20 Oct 2026.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-113596?
How do I fix CVE-2026-113596?
No fix has been published for CVE-2026-113596 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-113596 being exploited?
There is no known exploitation of CVE-2026-113596 in the wild and no public exploit code.
Sources
Also known as GHSA-r95x-94xh-ccwh.