CVE-2026-81940 IBM Langflow OSS - Command Injection

IBM Langflow OSS 1.0.0 through 1.11.5 contains a command injection caused by improper neutralization of special characters in flow display names, letting remote authenticated attackers execute arbitrary code.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.81% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to the latest version beyond 1.11.5.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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