CVE-2026-82623— open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free
一分钟漏洞结论
影响对象
n/a open62541
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
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
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一、 漏洞 CVE-2026-82623 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free
来源: CVE Program / CVE List V5
Vulnerability 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.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
释放后使用
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| - | open62541 | 1.5.0 |
cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*
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二、漏洞 CVE-2026-82623 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-82623 其他参考 (1)
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🔗 CVE-2026-82623 open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free 查看完整文章 vdb-entry technical-description
CVE-2026-82623 其他参考 (4)
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https://vuldb.com/cve/CVE-2026-82623 third-party-advisory
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https://vuldb.com/submit/893207 third-party-advisory
同批安全公告 · n/a · 2026-08-31 · 共 9 条
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| CVE-2026-82600 | 7.3 HIGH | SeaCMS zyapi.php SQL注入漏洞 |
| CVE-2026-82598 | 7.3 HIGH | SeaCMS search.php模板解析代码注入漏洞 |
| CVE-2026-82603 | 5.4 MEDIUM | SeaCMS Comment Cache 成员路径遍历漏洞 |
| CVE-2026-82599 | 5.4 MEDIUM | SeaCMS Avatar上传路径穿越 |
| CVE-2026-82602 | 5.3 MEDIUM | SeaCMS ass.php 权限漏洞 |
| CVE-2026-82601 | 4.3 MEDIUM | SeaCMS err.php 跨站脚本漏洞 |
| CVE-2026-82596 | 3.3 LOW | LatencyStats.recordDetectedPause 内存损坏漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-82623
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