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CVE-2025-3248: langflow before 1.3.0 (exclusive), 0 to before 1.3.0
CVE-2025-3248. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.99993 (percentile 0.99987), scored 2026-10-06.
Affected technology
langflow · before 1.3.0 (exclusive)
langflow
langflow · 0 to before 1.3.0
langflow-ai
Description’s affected range: versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code. Vendor/CNA’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-94, CWE-306
- CCR priority
- 64.2 /100 (P2)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.99993 · percentile 0.99987 · 2026-10-08
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-3248.html