CVE-2026-13448

9.8 Critique

Publiée le 17/07/2026 à 22:17 · Modifiée le 23/07/2026 à 07:16 · Modifiée · Source : psirt@us.ibm.com

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.

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Produits concernés

IBM Langflow OSS
Langflow langflow

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.1 Élevée	psirt@us.ibm.com	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H`
3.1	9.8 Critique	nvd@nist.gov (NVD)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Faiblesses (CWE)

CWE-184

Références

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

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories