CVE-2026-82623
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOpen62541
PublishedAug 31, 2026
First seenAug 31, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open62541 open62541 | 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5 | — |
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