CVE-2026-35556 CRITICAL

CVE-2026-35556: Plaintext storage of a password in OpenPLC_V3

Vendor Openplc_V3

Product OpenPLC_V3

Weakness CWE-256

Published April 9, 2026

Last update April 10, 2026

View on NVD All CVEs

CVSS base score

9.2/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive information.

Key dates

02Disclosure timeline

April 9, 2026 CVE published

April 10, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-35556 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/256.html

Related vulnerabilities

CVE-2026-35556: Plaintext storage of a password in OpenPLC_V3

01Description

02Disclosure timeline

03References

04Related CVE