Deserialization Vulnerability in IBM Langflow OSS Affects Multiple Versions
CVE-2026-93447

7.5HIGH

Key Information:

Vendor

IBM

Vendor
CVE Published:
7 October 2026

What is CVE-2026-93447?

A deserialization vulnerability exists in IBM Langflow OSS versions 1.0.0 through 1.12.2, where an attacker with access to the server secret and Redis write permissions can exploit this flaw. By submitting a malicious serialized cache value, the attacker can execute code under the service's privileges upon retrieval of the value, posing a significant security risk.

Affected Version(s)

Langflow OSS 1.0.0 <= 1.12.2

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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