CVE-2026-93447 IBM Langflow OSS - Insecure Deserialization

IBM Langflow OSS 1.0.0 through 1.12.2 contains an insecure deserialization vulnerability caused by malicious serialized cache values in Redis, letting attackers with server secret and Redis write access execute code with service privileges.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.44% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version beyond 1.12.2.

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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