Openplcproject Openplc_v3
8 CVEs affecting Openplcproject Openplc_v3. Latest disclosed: 2026-07-18. Critical: 2, High: 4.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-28205 | Critical | 9.8 | 2026-04-09 | OpenPLC_V3 is vulnerable to an Initialization of a Resource with an Insecure Default vulnerability which could allow an attacker to gain access to the system b… |
CVE-2018-20818 | Critical | 9.8 | 2019-04-22 | A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO()… |
CVE-2026-11826 | High | 8.8 | 2026-07-18 | OpenPLC_v3 contains a heap-based buffer overflow in the getData() function in webserver/core/modbus_master.cpp. getData() reads characters between two delimite… |
CVE-2026-35063 | High | 8.8 | 2026-04-09 | OpenPLC_V3 REST API endpoint checks for JWT presence but never verifies the caller's role. Any authenticated user with role=user can delete any other user, inc… |
CVE-2021-31630 | High | 8.8 | 2021-08-03 | Command Injection in Open PLC Webserver v3 allows remote attackers to execute arbitrary code via the "Hardware Layer Code Box" component on the "/hardware" pag… |
CVE-2026-35556 | High | 7.5 | 2026-04-09 | OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive informati… |
CVE-2026-31156 | Medium | 6.5 | 2026-05-13 | A path injection vulnerability exists in OpenPLC v3 (2c82b0e79c53f8c1f1458eee15fec173400d6e1a) as the binary program compiled from glue_generator.cpp does not… |
CVE-2024-37741 | Medium | 5.4 | 2024-06-28 | OpenPLC 3 through 9cd8f1b allows XSS via an SVG document as a profile picture. |