CVE-2026-9205 Langflow is affected by weaknesses in secret handling and sensitive configuration access
Weak key derivation in Langflow OSS allows attackers to access sensitive configuration data and bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-9205?
CVE-2026-9205 is a high-severity vulnerability in Langflow Langflow, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.
Weakness: CWE-338
Which versions are affected by CVE-2026-9205?
3 open source packages ship an affected version, including langflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
langflow PyPI | All versions | 1.10.1 |
langflow PyPI | All versions | 1.10.1 |
langflow PyPI | All versions | 1.10.1 |
Products include Langflow Langflow.
How do I fix CVE-2026-9205?
Upgrade langflow to 1.10.1 or later.
Is CVE-2026-9205 being exploited?
There is no known exploitation of CVE-2026-9205 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-jxw3-mjmx-3pqm, PYSEC-2026-4235.