CVE-2026-7700 langflow-ai langflow LambdaFilterComponent lambda_filter.py eval code injection
Remote attackers can execute arbitrary code via the LambdaFilterComponent's eval function in Langflow, requiring immediate mitigation due to public exploit availability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-7700?
CVE-2026-7700 is a medium-severity code injection vulnerability in langflow-ai langflow, published on 3 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in langflow-ai langflow up to 1.10.2. This affects the function eval of the file src/lfx/src/lfx/components/llm_operations/lambda_filter.py of the component LambdaFilterComponent. Executing a manipulation can lead to code injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-7700?
3 open source packages ship an affected version, including langflow.
| Package | Affected | Fixed in |
|---|---|---|
langflow PyPI | From 1.3.0 | 1.10.3 |
langflow PyPI | From 1.3.0 | 1.10.3 |
langflow PyPI | From 1.3.0 | 1.10.3 |
How do I fix CVE-2026-7700?
Upgrade langflow to 1.10.3 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-7700 being exploited?
There is no known exploitation of CVE-2026-7700 in the wild and no public exploit code.
Sources
Also known as GHSA-9fpm-3445-2vx4, PYSEC-2026-4232.