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CVE-2026-13448

nvd nist
Published: Jul 17, 2026Modified: Jul 21, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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.

Affected (1)

Products: Langflow: Langflow
Langflow
1 product
Langflow
Configuration A
1 vulnerable · 3 platform
Vulnerable SoftwareAffected Versions
Langflow
From 1.0.0 to 1.10.2
Running on/withPlatform Versions
Apple
Macos
All versions
Linux
Linux Kernel
All versions
Microsoft
Windows
All versions

Related CWEs

CWE-184
Incomplete List of Disallowed Inputs
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses.

References (1)

Source: psirt@us.ibm.com
Vendor Advisory

Timeline

No history available yet.