Vulnerability in Langflow-Ai Langflow
CVE-2026-6597
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Langflow-Ai Langflow — versions 1.8.0, 1.8.1, 1.8.2
Weakness classification (CWE)
References
- vuldb.com/vuln/358232 (technical-description, vdb-entry)
- vuldb.com/vuln/358232/cti (signature, permissions-required)
- vuldb.com/submit/791920 (third-party-advisory)
- gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b (exploit)
Frequently asked questions
- What is CVE-2026-6597?
- CVE-2026-6597 is a low-severity vulnerability in Langflow-Ai Langflow, classified under CWE-255. CVSS score: 2.7/10. Published 2026-04-20.
- How severe is CVE-2026-6597?
- Low severity. CVSS v3 base score is 2.7 out of 10.