CODESYS PSIRT (CSAF)

advisoryDE

codesys_psirt

CODESYS PSIRT CSAF 2.0 advisories for the CODESYS PLC runtime embedded across 400+ automation brands (hosted by CERT@VDE).

01

advisories (36)

Vendor and ecosystem advisories describing this.

02

product assertions (148)

Products and version ranges known to be affected.

03

CVE links (53)

Known CVEs related to this entry.

IDseverity exploitable
CVE-2026-76992UShigh7.5—
The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling…
CVE-2026-79625UShigh8.1—
Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes,…
CVE-2026-35226US——
An out‑of‑bounds write vulnerability in the CODESYS PROFINET Controller allows an unauthenticated attacker on the same network segment to send malformed PROFINET communication data…
CVE-2026-8047US——
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can…
CVE-2026-8046US—OT elevated—
The affected products insufficiently verify authorization when deleting user accounts. An authenticated, low-privileged remote user can exploit this vulnerability to delete other u…
CVE-2026-44469UShigh7.0OT elevated—
The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can…
CVE-2026-44468US—OT elevated—
The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary fil…
CVE-2026-0393USmedium6.5—
The affected product may expose credentials remotely between low privileged visualization users during concurrent login operations due to insufficient isolation of authentication d…
CVE-2026-35227US——
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully explo…
CVE-2026-35225US——
An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate clients from establishing new co…
CVE-2026-3509US——
An unauthenticated remote attacker may be able to control the format string of messages processed by the Audit Log of the CODESYS Control runtime system, potentially resulting in a…
CVE-2025-41660US——
A low-privileged remote attacker may be able to replace the boot application of the CODESYS Control runtime system, enabling unauthorized code execution.
CVE-2026-2364US——
If a legitimate user confirms a self-update prompt or initiate an installation of a CODESYS Development System, a low privileged local attacker can gain elevated rights due to a TO…
CVE-2025-41739US——
An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an…
CVE-2025-41738US——
An unauthenticated remote attacker may cause the visualisation server of the CODESYS Control runtime system to access a resource with a pointer of wrong type, potentially leading t…
CVE-2025-41700US——
An unauthenticated attacker can trick a local user into executing arbitrary code by opening a deliberately manipulated CODESYS project file with a CODESYS development system. This…
CVE-2025-41691US——
An unauthenticated remote attacker may trigger a NULL pointer dereference in the affected CODESYS Control runtime systems by sending specially crafted communication requests, poten…
CVE-2025-41659US——
A low-privileged attacker can remotely access the PKI folder of the CODESYS Control runtime system and thus read and write certificates and its keys. This allows sensitive data to…
CVE-2025-41658US—OT elevated—
CODESYS Runtime Toolkit-based products may expose sensitive files to local low-privileged operating system users due to default file permissions.
CVE-2025-2595US——
An unauthenticated remote attacker can bypass the user management in CODESYS Visualization and read visualization template files or static elements by means of forced browsing.
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