Vulnerability · Published Aug 28, 2026 · Assigned by ibm
CVE-2026-18729Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement
High 8.8
In plain English
A high-severity code injection in Langflow OSS from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.6%top 24.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Metasploit, Public PoC
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Langflow OSS | 1.0.0 – through 1.11.1 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7284733 vendor-advisory, patch