CVE-2026-18729 json
Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement
published 2026-08-28 2 mo ago modified 2026-09-01 2 mo ago also EUVD-2026-67952
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 1
- Metasploit
Summary
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote authenticated attacker to execute arbitrary code due to improper control of generation of code.
Patch / fix
Timeline
- First public exploit (Metasploit exploit/multi/http/langflow_auth_rce_cve_2026_18729)
- Published
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/multi/http/langflow_auth_rce_cve_2026_18729 Langflow AI Custom Component Authenticated RCE metasploit exploit, excellent rank, 2026-08-28
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- IBM Langflow OSS
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
ibm.com
/support/pages/node/7284733
vendor-advisory, patch
Sources
- CVE List CVE-2026-18729
- NVD CVE-2026-18729
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