Improper input validation in Npc-Worldwide Npcpy
CVE-2026-122015
A vulnerability was found in NPC-Worldwide npcpy up to 2.1.27. This vulnerability affects the function get_mlx_response of the file npcpy/gen/response.py of the component MLX Provider. The manipulation of the argument model results in improper input validation. The attack can be launched remotely. The exploit has been made public and could be used.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Npc-Worldwide Npcpy — versions 2.1.0, 2.1.1, 2.1.10
Weakness classification (CWE)
References
- github.com/NPC-Worldwide/npcpy/ (product)
- github.com/NPC-Worldwide/npcpy/issues/309 (issue-tracking)
- github.com/user-attachments/files/33302583/poc.zip (exploit)
- CVE-2026-122015 | CVE Analysis and Report (third-party-advisory)
- Submit #1024531 | NPC-Worldwide npcpy 2.1.18 Improper Input Validation (third-party-advisory)
- VDB-431083 | NPC-Worldwide npcpy MLX Provider response.py get_mlx_response input validation (technical-description, vdb-entry)
- VDB-431083 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-122015?
- CVE-2026-122015 is a medium-severity vulnerability in Npc-Worldwide Npcpy, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-11-04.
- How severe is CVE-2026-122015?
- Medium severity. CVSS v3 base score is 6.3 out of 10.