PT-2026-43199 · Codesys · Codesys Control

Published 2026-05-26 · Updated 2026-05-26 · CVE-2026-8047

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions CODESYS Control (affected versions not specified)

Description Improper length checking occurs when parsing incoming HTTP requests, leading to a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service by triggering a system crash on the affected device.

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

DoS

Weakness Enumeration

CWE-1284

Related Identifiers

CVE-2026-8047

Affected Products

Codesys Control

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-8047 · Security Note
• https://certvde.com/en/advisories/VDE-2026-057 · Note
• https://t.me/CVEtracker/54964 · Telegram Post