CVE-2026-8183 Langflow OSS is affected by arbitrary code execution in custom component validation and trusted code enforcement
Remote attackers can traverse directories to view arbitrary files on the system via crafted URL requests in Langflow OSS.
- 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-2026-8183?
CVE-2026-8183 is a high-severity path traversal vulnerability in Langflow Langflow, published on 5 Aug 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 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to v i ew arbitrary files on the system.
Weakness: CWE-22
Which versions are affected by CVE-2026-8183?
It affects 1 product.
Products include Langflow Langflow.
How do I fix CVE-2026-8183?
No fix has been published for CVE-2026-8183 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-2026-8183 being exploited?
There is no known exploitation of CVE-2026-8183 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-p865-qggm-g9qx.