High severity · published Oct 29, 2026
CVE-2026-104317
Langflow OSS is affected by multiple vulnerabilities
New
8.1
CVSS
–
EPSS
No
On KEV
Description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker who could reach the message broker to execute arbitrary code on the system due to the deserialization of untrusted data.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104317
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104317
vendor-advisory
https://www.ibm.com/support/pages/node/7293015
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