RCE in Langflow-Ai Langflow
CVE-2026-7687
A vulnerability was determined in langflow-ai langflow up to 1.8.4. Affected by this issue is the function CodeParser.parse_callable_details of the file src/lfx/src/lfx/custom/code_parser/code_parser.py of the component Full Builtins Module Handler. Executing a manipulation can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. 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 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.026 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.026 · change: +0.008
Affected products
- Langflow-Ai Langflow — versions 1.8.0, 1.8.1, 1.8.2
Weakness classification (CWE)
References
- vuldb.com/vuln/360857 (technical-description, vdb-entry)
- vuldb.com/vuln/360857/cti (signature, permissions-required)
- vuldb.com/submit/798731 (third-party-advisory)
- www.yuque.com/yuqueyonghuqy8yu4/ghuay4/ylrgoyyfrucp8opo (exploit)
Frequently asked questions
- What is CVE-2026-7687?
- CVE-2026-7687 is a medium-severity vulnerability in Langflow-Ai Langflow, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-03.
- How severe is CVE-2026-7687?
- Medium severity. CVSS v3 base score is 6.3 out of 10.