# CVE-2022-27894: The Foundry Blobster service was found to have a cross-site scripting (XSS) vulnerability.

> An attacker with Foundry access can execute scripts in other users' browsers via XSS in the Blobster service.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 4 Nov 2022
- **Updated:** 2 May 2025
- **Also known as:** GHSA-3prr-8gr9-v5cq

## What is CVE-2022-27894?

CVE-2022-27894 is a medium-severity cross-site scripting vulnerability in Palantir Foundry Blobster Service, published on 4 Nov 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The Foundry Blobster service was found to have a cross-site scripting (XSS) vulnerability that could have allowed an attacker with access to Foundry to launch attacks against other users. This vulnerability is resolved in Blobster 3.228.0.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2022-27894?

It affects 1 product.


Products: Palantir Foundry Blobster.

## How do I fix CVE-2022-27894?

No fix has been published for CVE-2022-27894 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-27894 being exploited?

There is no known exploitation of CVE-2022-27894 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-27894 and fix it if it is affected.

What it is: CVE-2022-27894 is a medium-severity cross-site scripting vulnerability in Palantir Foundry Blobster Service, published on 4 Nov 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-27894 in the wild and no public exploit code.

Affected product: Palantir Foundry Blobster Service. 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-2022-27894/ (Markdown: https://insights.sbomify.com/CVE-2022-27894/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-27894
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-27894
- OSV: https://osv.dev/vulnerability/CVE-2022-27894

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-27894/
Summaries are generated and may contain mistakes; the official description above is the record.