# CVE-2026-63508: Microsoft Planetary Computer Pro Elevation of Privilege Vulnerability

> An unauthorized attacker can elevate privileges in Microsoft Planetary Computer Pro due to missing authentication on a critical function.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Aug 2026
- **Updated:** 28 Oct 2026
- **Also known as:** GHSA-5969-wqc6-rfr4

## What is CVE-2026-63508?

CVE-2026-63508 is a critical missing authorization vulnerability in Microsoft Planetary Computer Pro (GeoCatalog), published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing authentication for critical function in Microsoft Planetary Computer Pro allows an unauthorized attacker to elevate privileges over a network.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-63508?

It affects 1 product.


Products: Microsoft Planetary Computer.

## How do I fix CVE-2026-63508?

No fix has been published for CVE-2026-63508 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-63508 being exploited?

There is no known exploitation of CVE-2026-63508 in the wild and no public exploit code.

## Other vulnerabilities in Microsoft Planetary Computer Pro (GeoCatalog)

- [CVE-2026-41104](https://insights.sbomify.com/CVE-2026-41104/): Microsoft Planetary Computer Pro Information Disclosure Vulnerability (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-63508 and fix it if it is affected.

What it is: CVE-2026-63508 is a critical missing authorization vulnerability in Microsoft Planetary Computer Pro (GeoCatalog), published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-63508 in the wild and no public exploit code.

Affected product: Microsoft Planetary Computer Pro (GeoCatalog). 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-2026-63508/ (Markdown: https://insights.sbomify.com/CVE-2026-63508/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-63508
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-63508
- OSV: https://osv.dev/vulnerability/CVE-2026-63508

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-63508/
Summaries are generated and may contain mistakes; the official description above is the record.