Unauthenticated Remote Code Execution in Langflow OSS PythonREPLComponent via Builtins Injection (IBM Langflow OSS)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.82 % · percentile 57 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- ibm
- NVD status
- Analyzed
Description
IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise
Weaknesses (CWE)
- CWE-94 — Improper Control of Generation of Code
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | ibm |
| CVSS 3.1 | CRITICAL 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | NVD · psirt@us.ibm.com (Secondary) |
Advisories
- GHSA-8qpj-27x8-pwpq — Langflow: PythonREPLComponent executes unsandboxed Python code, enabling authenticated RCE and privilege escalation
- PYSEC-2026-4231 — Langflow: PythonREPLComponent executes unsandboxed Python code, enabling authenticated RCE and privilege escalation
European references
- ENISA EUVD · EUVD-2026-38245
- GCVE · GCVE-0-2026-10561
Affected configurations (NVD CPE)
cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*≥ 1.0.0 ≤ 1.9.3
Affected products
| Product | Versions |
|---|---|
| IBM · Langflow OSS | affected 1.0.0 ≤ 1.9.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |