# CVE-2026-57510: SuperPlane < 0.27.0 Broken Object Level Authorization via CanvasService gRPC

> Authenticated users can bypass organization scoping to read, modify, or delete resources in other tenants via gRPC handlers.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 Jul 2026
- **Updated:** 28 Jul 2026
- **Also known as:** GHSA-hg7x-q6w3-jcf5

## What is CVE-2026-57510?

CVE-2026-57510 is a high-severity missing authorization vulnerability in superplanehq superplane, published on 28 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

SuperPlane before 0.27.0 contains a broken object-level authorization vulnerability in the CanvasService gRPC handlers that allows authenticated users with viewer-level access to one organization to access resources belonging to other organizations by supplying arbitrary canvas or queue UUIDs without organization scoping. Attackers can read cross-tenant execution history and event payloads containing sensitive secrets, write queue items and canvas events into victim organizations, delete arbitrary canvases, and disrupt automation workflows across tenant boundaries.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-57510?


## How do I fix CVE-2026-57510?

No fix has been published for CVE-2026-57510 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-57510 being exploited?

There is no known exploitation of CVE-2026-57510 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-57510 and fix it if it is affected.

What it is: CVE-2026-57510 is a high-severity missing authorization vulnerability in superplanehq superplane, published on 28 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-57510 in the wild and no public exploit code.

Affected product: superplanehq superplane. 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-2026-57510/ (Markdown: https://insights.sbomify.com/CVE-2026-57510/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-57510
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-57510
- OSV: https://osv.dev/vulnerability/CVE-2026-57510

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-57510/
Summaries are generated and may contain mistakes; the official description above is the record.