# CVE-2026-3341: IBM Langflow Desktop 1.0.0 - 1.9.2 DNS Rebinding Bypasses SSRF Protection Allowing Access to Internal Services

> An authenticated attacker can bypass SSRF protections via DNS rebinding to access internal services, enabling network enumeration and further attacks.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A: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:** 11 Jun 2026
- **Updated:** 11 Jun 2026
- **Also known as:** GHSA-wvfv-3qjh-qwxj

## What is CVE-2026-3341?

CVE-2026-3341 is a medium-severity server-side request forgery vulnerability in IBM Langflow Desktop, published on 11 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

IBM Langflow Desktop 1.0.0 through 1.9.2 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2026-3341?

It affects 1 product.


Products: Langflow Langflow Desktop.

## How do I fix CVE-2026-3341?

No fix has been published for CVE-2026-3341 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3341 being exploited?

There is no known exploitation of CVE-2026-3341 in the wild and no public exploit code.

## Other vulnerabilities in IBM Langflow Desktop

- [CVE-2026-6543](https://insights.sbomify.com/CVE-2026-6543/): Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint (high 8.8)
- [CVE-2026-4503](https://insights.sbomify.com/CVE-2026-4503/): Unauthenticated Insecure Direct Object Reference (IDOR) Vulnerability in Langflow Desktop Image Download Endpoint (high 7.5)
- [CVE-2026-3340](https://insights.sbomify.com/CVE-2026-3340/): Server-Side Request Forgery (SSRF) in Langflow URL Component (medium 6.5)
- [CVE-2026-3345](https://insights.sbomify.com/CVE-2026-3345/): Path Traversal and Arbitrary File Write Vulnerability in IBM Langflow Desktop API v2 File Upload Endpoint (medium 6.5)
- [CVE-2026-4502](https://insights.sbomify.com/CVE-2026-4502/): Arbitrary File Write and Remote Code Execution Vulnerability in Langflow v2 API (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3341 and fix it if it is affected.

What it is: CVE-2026-3341 is a medium-severity server-side request forgery vulnerability in IBM Langflow Desktop, published on 11 Jun 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-2026-3341 in the wild and no public exploit code.

Affected product: IBM Langflow Desktop. 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-2026-3341/ (Markdown: https://insights.sbomify.com/CVE-2026-3341/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3341
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3341
- OSV: https://osv.dev/vulnerability/CVE-2026-3341

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-3341/
Summaries are generated and may contain mistakes; the official description above is the record.