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CVE-2026-104629— Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or Code

Quick assessment

Affected
Grid Protection Alliance openPDC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

openPDC 和 openHistorian 中的组件加载机制将构造并运行任何指定的类型，而该类型可能是一个无效的待加载组件。具有已认证用户账户且能够在主机文件系统上放置文件的攻击者，可以利用此漏洞运行任意的构造函数代码，且该代码将以受影响服务账户的权限执行。

CVSS 8.8 · High

Affected Version Matrix 8

VendorProduct Version RangeStatus
Grid Protection Alliance openHistorian < 2.8.580 affected
< 2.8.585 affected
2.8.585 unaffected
Grid Protection Alliance openPDC < 2.9.477 affected
< 2.9.482 affected
2.9.482 unaffected
Grid Protection Alliance openPDC (Docker image) < 2.9.477 affected
< 2.9.482 affected
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I. Basic Information for CVE-2026-104629

Vulnerability Information
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Vulnerability Title
Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or Code
Source: CVE Program / CVE List V5
Vulnerability Description
A component loading mechanism in openPDC and openHistorian will construct and run any specified type, which may be an invalid component to load. An attacker with an authenticated user account and the ability to place a file on the host filesystem can use this to run arbitrary constructor code, and this code runs with the privileges of the affected service account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部可控制的输入来选择类或代码(不安全的反射)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Grid Protection Alliance openPDC 0 ~ 2.9.477 -
Grid Protection Alliance openPDC (Docker image) 0 ~ 2.9.477 -
Grid Protection Alliance openHistorian 0 ~ 2.8.580 -

II. Public POCs for CVE-2026-104629

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-104629

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Other References for CVE-2026-104629 (2)

Same Patch Batch · Grid Protection Alliance · 2026-10-09 · 6 CVEs total

CVE-2026-100730 9.8 CRITICAL Grid Protection Alliance openPDC and openHistorian Deserialization of Untrusted Data
CVE-2026-105278 9.8 CRITICAL Grid Protection Alliance openPDC (Docker image) Use of Hard-coded Credentials
CVE-2026-105281 7.5 HIGH Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Fun
CVE-2026-85479 5.3 MEDIUM Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Fun
CVE-2026-101022 4.3 MEDIUM Grid Protection Alliance openPDC and openHistorian Server-Side Request Forgery (SSRF)

IV. Related Vulnerabilities

Same product: openPDC
Same vendor: Grid Protection Alliance
Same weakness: CWE-470

V. Comments for CVE-2026-104629

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