Vulnerability · Published Apr 30, 2026 · Assigned by ibm
CVE-2026-6543Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint
High 8.8
In plain English
A high-severity code injection in Langflow Desktop from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 59.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Langflow Desktop | 1.0.0 – through 1.8.4 |
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/7271092 vendor-advisory, patch