Vulnerability in Openplc
CVE-2026-14480
OpenPLC Runtime v3 contains an authenticated arbitrary file write vulnerability in the legacy web UI program‑upload workflow. The application stores an attacker‑supplied filename (prog_file) directly into the Programs.File database fiel…
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Openplc — versions v3, v4
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-14480?
- CVE-2026-14480 is a critical-severity vulnerability in Openplc, classified under External Control of File Name or Path. CVSS score: 9.9/10. Published 2026-07-10.
- How severe is CVE-2026-14480?
- Critical severity. CVSS v3 base score is 9.9 out of 10.