CVE-2026-6597 langflow-ai langflow Flow Using API core.py has_api_terms credentials storage
Remote attackers can access unprotected stored API credentials in Langflow due to improper handling in the Flow Using API component.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6597?
CVE-2026-6597 is a medium-severity vulnerability in langflow-ai langflow, published on 20 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A weakness has been identified in langflow-ai langflow up to 1.8.3. Impacted is the function remove_api_keys/has_api_terms of the file src/backend/base/langflow/api/utils/core.py of the component Flow Using API. This manipulation causes unprotected storage of credentials. The attack can be initiated remotely. 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-2026-6597?
3 open source packages ship an affected version, including langflow.
| Package | Affected | Fixed in |
|---|---|---|
langflow PyPI | All versions to 1.8.3 | None |
langflow PyPI | All versions to 1.8.3 | None |
langflow PyPI | All versions to 1.8.3 | None |
How do I fix CVE-2026-6597?
No fix has been published for CVE-2026-6597 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6597 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6597 exists.
Sources
Also known as GHSA-5jjf-wcvf-923w, PYSEC-2026-2565.