IBM Langflow OSS 1.0.0 through 1.12.2 could allow an attacker with access to the server secret and Redis write access to submit a malicious serialized cache value. When the value was retrieved, deserialization could have executed attacker-controlled code with the privileges of the service process.

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Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

IBM strongly recommends addressing the vulnerability now by upgrading Langflow OSS to version 1.12.3. https://pypi.org/project/langflow/#description


Workaround

No workaround given by the vendor.

History

Thu, 08 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Langflow
Langflow langflow
CPEs cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
Vendors & Products Langflow
Langflow langflow

Wed, 07 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 07 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Description IBM Langflow OSS 1.0.0 through 1.12.2 could allow an attacker with access to the server secret and Redis write access to submit a malicious serialized cache value. When the value was retrieved, deserialization could have executed attacker-controlled code with the privileges of the service process.
Title Langflow OSS is affected by multiple vulnerabilities
First Time appeared Ibm
Ibm langflow Oss
Weaknesses CWE-502
CPEs cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:langflow_oss:1.12.2:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm langflow Oss
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-10-08T03:55:57.011Z

Reserved: 2026-09-17T22:30:56.608Z

Link: CVE-2026-93447

cve-icon Vulnrichment

Updated: 2026-10-07T15:45:24.532Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-07T01:16:34.787

Modified: 2026-10-08T18:24:12.540

Link: CVE-2026-93447

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T04:00:09Z

Weaknesses