PT-2026-31694 · Unknown · Openplc V3

Shriyans Sudhi · Published 2026-04-09 · Updated 2026-04-11 · CVE-2026-35556

Positive Technologies (AI Summary)

CVSS v4.0

9.2

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenPLC V3 (affected versions not specified)

Description OpenPLC V3 is susceptible to a flaw involving the storage of passwords in plaintext. This could allow an attacker to obtain credentials and access sensitive information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-256

Related Identifiers

CVE-2026-35556

Affected Products

Openplc V3

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-35556 · Security Note
• https://twitter.com/ss0x00/status/2043062848784363703 · Twitter Post
• https://twitter.com/0dayPublishing/status/2042673890967663041 · Twitter Post
• https://cisa.gov/news-events/ics-advisories/icsa-25-345-10 · Note
• https://twitter.com/CCBalert/status/2042613388426010629 · Twitter Post
• https://twitter.com/CVEnew/status/2042340074898026697 · Twitter Post