High severity · published Oct 29, 2026
CVE-2026-104328
Langflow OSS is affected by multiple vulnerabilities
New
8.8
CVSS
–
EPSS
No
On KEV
Description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to execute arbitrary code due to improper neutralization of special elements used in an OS command.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Langflow OSS · IBM
1.0.0 through 1.12.3 · source: vendor
Affected product
LO
Langflow OSS
IBM
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Unauthenticated Remote Code Execution in Langflow OSS PythonREPLComponent via Builtins Injection
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CVE-2026-107327
Langflow OSS is affected by multiple vulnerabilities
9.9
CVE-2026-107328
Langflow OSS is affected by multiple vulnerabilities