Langflow Unauthenticated RCE via Custom Component Evaluation
Unauthenticated RCE in Langflow up to version 1.3.2 via the custom component evaluation endpoint. CVSS 9.8 critical; Metasploit module now public.
- Vendor
- Langflow
- Product
- Langflow (versions up to 1.3.2)
- CVSS
- 9.8
- EPSS (exploit probability)
- 41.2%
- Status
- patched
- Published
Is CVE-2026-0769 being exploited?
Not on any exploited-vulnerability catalog we track. CVE-2026-0769 was not on the CISA, ENISA or CIRCL exploited catalogs as of our 2026-10-24 snapshot. That can change quickly; check the write-up below for the latest reporting.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 41.2% (scored October 24, 2026).
- CISA KEV[ — ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-24. Full cross-catalog view: /kev-comparison
CVE-2026-0769 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
CVE-2026-0769 is an unauthenticated remote code execution vulnerability in Langflow, an open-source LLM workflow builder. The flaw exists in the custom component evaluation endpoint and affects versions up to 1.3.2. A Metasploit exploit module for this vulnerability was released by Rapid7 in October 2026.
CVSS base score: 9.8 (critical). No authentication is required. Users should update Langflow to a patched release.
Other Langflow CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-93674 Langflow Authenticated Blind Command Injectionwrite-up | [ CRITICAL ] | 9.8 | 6.2% | — |
| CVE-2026-7873 Langflow Authenticated RCE via Code Validation Endpointwrite-up | [ CRITICAL ] | 9.9 | 1.1% | — |
| CVE-2026-10134 Langflow Unauthenticated RCE in Public Flow Build Endpointwrite-up | [ CRITICAL ] | 10.0 | 1.6% | — |
| CVE-2026-105740 Authenticated RCE via MCP tool additionwrite-up | [ CRITICAL ] | 9.9 | 0.6% | — |
| CVE-2026-0768 Langflow Unauthenticated RCE via Code Execution Endpointwrite-up | [ CRITICAL ] | 9.8 | 23.1% | — |
| CVE-2026-0770 Langflow validate-endpoint exec_globals RCE (unauthenticated)write-up | [ CRITICAL ] | 9.8 | 62.6% | |
| CVE-2026-55255 Langflow /api/v1/responses IDOR — cross-user flow executionwrite-up | [ HIGH ] | 8.4 | 0.9% | |
| CVE-2025-34291 Langflow CORS misconfiguration enables CSRF-driven token theft and RCEwrite-up | [ HIGH ] | 8.8 | 92.8% |
