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CVE WatchJul 17, 2026

CVE-2026-13448

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build e

CVSS

8.1

High

EPSS

—

KEV

—

Exploit Today

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0-100

Published: Jul 17, 2026 · Last modified: Jul 17, 2026

EPSS · 30d

Not enough EPSS history yet.

Technical 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.

Official references
Related CVEs

No related CVEs by CWE or product.