# CVE-2026-19288: astralisone rive-mcp-server-core importRiveFile Flow importRiveFile.ts path traversal

> A local attacker can exploit a path traversal vulnerability in the importRiveFile function to read or modify arbitrary files.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Aug 2026
- **Updated:** 11 Aug 2026
- **Also known as:** GHSA-4p6x-rj5h-hg93

## What is CVE-2026-19288?

CVE-2026-19288 is a medium-severity path traversal vulnerability in astralisone rive-mcp-server-core, published on 8 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been found in astralisone rive-mcp-server-core up to db1d0cc4cd52589116360428b7504fd0ca748b3e. This affects an unknown part of the file packages/mcp-server/src/tools/importRiveFile.ts of the component importRiveFile Flow. Such manipulation of the argument libraryId leads to path traversal. The attack needs to be performed locally. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-19288?


## How do I fix CVE-2026-19288?

No fix has been published for CVE-2026-19288 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19288 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19288 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19288 and fix it if it is affected.

What it is: CVE-2026-19288 is a medium-severity path traversal vulnerability in astralisone rive-mcp-server-core, published on 8 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19288 exists.

Affected product: astralisone rive-mcp-server-core. 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-2026-19288/ (Markdown: https://insights.sbomify.com/CVE-2026-19288/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19288
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19288
- OSV: https://osv.dev/vulnerability/CVE-2026-19288

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19288/
Summaries are generated and may contain mistakes; the official description above is the record.