CVE-2026-84889 Path traversal in Langflow OSS
Authenticated attackers can exploit path traversal in IBM Langflow OSS to write files to arbitrary locations, potentially leading to remote 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-2026-84889?
CVE-2026-84889 is a high-severity path traversal vulnerability in Langflow Langflow, published on 10 Sep 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 could allow a remote authenticated attacker to execute arbitrary code due to improper limitation of a pathname to a restricted directory.
Weakness: CWE-22
Which versions are affected by CVE-2026-84889?
It affects 1 product.
Products include Langflow Langflow.
How do I fix CVE-2026-84889?
No fix has been published for CVE-2026-84889 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-2026-84889 being exploited?
There is no known exploitation of CVE-2026-84889 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-8m33-2h4q-m779.