CVE-2026-3509
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 denial‑of‑service (DoS) condition.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS probability
- 0.35%
- CWE
- CWE-134
- Published
- 2026-03-24
- Last modified
- 2026-03-26
Affected products
- CODESYS CODESYS Control RTE (SL)
- CODESYS CODESYS Control RTE (for Beckhoff CX) SL
- CODESYS CODESYS Control Win (SL)
- CODESYS CODESYS Runtime Toolkit
- CODESYS CODESYS Control for BeagleBone SL
- CODESYS CODESYS Control for emPC-A/iMX6 SL
- CODESYS CODESYS Control for IOT2000 SL
- CODESYS CODESYS Control for Linux ARM SL
Weakness type
Related vulnerabilities
- CVE-2026-69395 — Active Directory Certificate Services (AD CS) Information Disclosure Vulnerability
- CVE-2026-16821 — Vulnerabilities in IBM AIX and PowerVM VIOS
- CVE-2026-81574 — Format String Vulnerability in Logger
- CVE-2026-63073 — Untrusted Sender DN Used as Format String in CMP Response Validation
- CVE-2026-17136 — Vulnerabilities in IBM AIX and PowerVM VIOS
- CVE-2026-68553 — Coturn: Format String Injection via TURN USERNAME/REALM into hiredis Redis Command
- CVE-2026-15961 — Power System Information Disclosure
- CVE-2026-12004 — Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access