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2 vulnerabilities found for OpenPLC by OpenPLC

CVE-2026-14480 (GCVE-0-2026-14480)
Vulnerability from cvelistv5
Published
2026-07-10 22:17
Modified
2026-07-13 15:41
Severity ?
9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
Summary
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 field and later uses this value as the destination path for an uploaded file without validating or restricting the path. Because Python os.path.join() honors attacker‑controlled absolute paths, an authenticated user can write arbitrary files anywhere writable by the OpenPLC webserver process. In the default build pipeline, all C++ source files within the OpenPLC runtime core directory are automatically compiled into the executable runtime binary. By writing a malicious .cpp file into this directory, an authenticated attacker can escalate the arbitrary file write into arbitrary native code execution when the operator triggers a normal program compilation and runtime start.
References
Impacted products
Vendor Product Version
OpenPLC OpenPLC Version: v3
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CVE-2025-1066 (GCVE-0-2025-1066)
Vulnerability from cvelistv5
Published
2025-02-05 23:39
Modified
2025-03-20 13:24
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
OpenPLC_V3 contains an arbitrary file upload vulnerability, which could be leveraged for malvertising or phishing campaigns.
References
Impacted products
Vendor Product Version
openPLC OpenPLC Version: V3
 Create a notification for this product.
Show details on NVD website

To clipboard 

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