Vulnerability in Openplcproject Openplc_v3
CVE-2026-35556
OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive information.
EPSS: 0.003 (21.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Openplcproject Openplc_v3
- Openplcproject Openplc_v3_firmware
- Openplc_v3 — versions All versions
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, government-resource)
Frequently asked questions
- What is CVE-2026-35556?
- CVE-2026-35556 is a high-severity vulnerability in Openplcproject Openplc_v3, classified under Plaintext Storage of a Password. CVSS score: 7.5/10. Published 2026-04-09.
- How severe is CVE-2026-35556?
- High severity. CVSS v3 base score is 7.5 out of 10.