PT-2026-60871 · Ibm · Langflow Oss

CVE-2026-13448 · Published 2026-07-17 · Updated 2026-07-17

NVD

CVSS v3.1

8.1

High

Base vector

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

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.

Fix

Related Identifiers

CVE-2026-13448

Affected Products

Langflow Oss

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-13448 · Security Note
• https://ibm.com/support/pages/node/7279997 · Patch, Vendor Advisory