CVE-2026-7667 Path Traversal Vulnerability in API Request Component Content-Disposition Header Processing

High 8.8 Published Updated

Authenticated attackers can exploit path traversal in Content-Disposition headers to write arbitrary files, potentially leading to code execution.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-7667?

CVE-2026-7667 is a high-severity path traversal vulnerability in Langflow Langflow, published on 17 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to create a malicious flow pointing to an attacker-controlled URL that returns a specially crafted Content-Disposition header (e.g., filename="../../../target/path" ), enabling arbitrary file write operations with attacker-controlled content to any path accessible by the Langflow process.

Weakness: CWE-22

Which versions are affected by CVE-2026-7667?

It affects 1 product.

Products include Langflow Langflow.

How do I fix CVE-2026-7667?

No fix has been published for CVE-2026-7667 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-7667 being exploited?

There is no known exploitation of CVE-2026-7667 in the wild and no public exploit code.

All Langflow Langflow vulnerabilities

Sources

Also known as GHSA-p7fv-5pcm-4rh4.

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