CVE-2026-13448

CVSS Score & Metrics

Base Score

8.1 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint ( /api/v1/build_public_tmp/{flow_id}/flow ). The vulnerability stems from an incomplete denylist in the validate_public_flow_no_code_execution() function that fails to block several code-execution agent components including OpenDsStarAgent, CodeActAgentSmolagents, and CSVAgent.

Vulnerability Details

Published Date

July 17, 2026

Last Modified

July 17, 2026

Source

NVD

Vendor

IBM

Product

Langflow OSS

External References

https://www.ibm.com/support/pages/node/7279997

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

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