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CVE-2026-35227: Missing Release of Resource after Effective Lifetime

🗓️ 12 May 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

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 exploited, preventing legitimate clients from establishing new connections.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-35227
12 May 202607:14
–attackerkb
circl
Circl
CVE-2026-35227
12 May 202607:15
–circl
cnnvd
CNNVD
CODESYS Modbus TCP Server 安全漏洞
12 May 202600:00
–cnnvd
cve
CVE
CVE-2026-35227
12 May 202607:14
–cve
cvelist
Cvelist
CVE-2026-35227 Improper resource management in CODESYS Modbus TCP Server
12 May 202607:14
–cvelist
euvd
EUVD
EUVD-2026-29390
12 May 202609:31
–euvd
nvd
NVD
CVE-2026-35227
12 May 202608:16
–nvd
ptsecurity
Positive Technologies
PT-2026-39943
12 May 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-35227
13 May 202620:22
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-35227 Improper resource management in CODESYS Modbus TCP Server
12 May 202607:14
–vulnrichment

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12 May 2026 00:00Current
CVSS 48.2
EPSS0.00351
SSVC
0