CVE-2026-122015: NPC-Worldwide npcpy · Improper Input Validation
Affects NPC-Worldwide npcpySource CVE Database V5
Public exploit available · CVSS 5.3 Medium.
Data as of 4 Nov 2026, 21:22 UTC
Thin evidence
One scorer or none| CNA (VulDB) | CVSS 4.0 | 5.3 |
|---|---|---|
| CNA (VulDB) | CVSS 3.1 | 6.3 |
| CNA (VulDB) | CVSS 3.0 | 6.3 |
| CNA (VulDB) | CVSS 2.0 | 7.5 |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 4 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NPC-Worldwidenpcpy | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:npc-worldwide:npcpy:*:*:*:*:*:*:*:*
Description
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.
References
- vuldb.com/vuln/431083 (opens in a new tab)
- vuldb.com/vuln/431083/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-122015 (opens in a new tab)
- vuldb.com/submit/1024531 (opens in a new tab)
- github.com/NPC-Worldwide/npcpy/issues/309 (opens in a new tab)
- github.com/user-attachments/files/33302583/poc.zip (opens in a new tab)
- github.com/NPC-Worldwide/npcpy/ (opens in a new tab)