SEPTEMBER 17, 2026
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Case File

CVE-2026-82623

MEDIUM · CVSS 5.3 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-31 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A use-after-free vulnerability exists in the UA_DataValue_backend_copyRange function of the open62541 History Backend, affecting versions up to 1.5.5. This flaw can be exploited remotely, potentially allowing attackers to execute arbitrary code or cause application crashes. Organizations using affected versions should prioritize patching to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-82623
Severity
MEDIUM
CVSS
5.3
EPSS
0.40%

Original NVD Description

A vulnerability was detected in open62541 up to 1.5.5. Affected by this vulnerability is the function UA_DataValue_backend_copyRange of the file plugins/historydata/ua_history_data_backend_memory.c of the component History Backend. The manipulation results in use after free. The attack can be launched remotely. The exploit is now public and may be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.