CVE-2026-93447 Langflow OSS is affected by multiple vulnerabilities
An attacker with server secret and Redis write access can execute arbitrary code via malicious serialized cache values 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-2026-93447?
CVE-2026-93447 is a high-severity unsafe deserialization vulnerability in Langflow Langflow, published on 7 Oct 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 1.12.2 could allow an attacker with access to the server secret and Redis write access to submit a malicious serialized cache value. When the value was retrieved, deserialization could have executed attacker-controlled code with the privileges of the service process.
Weakness: CWE-502
Which versions are affected by CVE-2026-93447?
It affects 1 product.
Products include Langflow Langflow.
How do I fix CVE-2026-93447?
No fix has been published for CVE-2026-93447 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-93447 being exploited?
There is no known exploitation of CVE-2026-93447 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-43mm-q7h7-p26f.