# CVE-2025-7105: Denial of Service via JavaScript Memory Overflow in danny-avila/librechat

> Attackers can cause denial of service in LibreChat by rapidly forking conversations containing large Mermaid graphs, triggering memory overflow.

- **Severity:** Medium 5.7 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Feb 2026
- **Updated:** 2 Feb 2026
- **Also known as:** GHSA-crqj-2v3f-c8g9

## What is CVE-2025-7105?

CVE-2025-7105 is a medium-severity denial of service vulnerability in danny-avila/librechat, published on 2 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability in danny-avila/librechat allows attackers to exploit the unrestricted Fork Function in `/api/convos/fork` to fork numerous contents rapidly. If the forked content includes a Mermaid graph with a large number of nodes, it can lead to a JavaScript heap out of memory error upon service restart, causing a denial of service. This issue affects the latest version of the product.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2025-7105?


## How do I fix CVE-2025-7105?

No fix has been published for CVE-2025-7105 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-7105 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7105 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-7105 and fix it if it is affected.

What it is: CVE-2025-7105 is a medium-severity denial of service vulnerability in danny-avila/librechat, published on 2 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7105 exists.

Affected product: danny-avila/librechat. 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-2025-7105/ (Markdown: https://insights.sbomify.com/CVE-2025-7105/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-7105
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-7105
- OSV: https://osv.dev/vulnerability/CVE-2025-7105

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-7105/
Summaries are generated and may contain mistakes; the official description above is the record.