Unsafe reflection in Grid Protection Alliance openPDC and openHistorian
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
openPDC before 2.9.477 and before 2.9.482, the openPDC Docker image, and openHistorian before 2.8.580 and before 2.8.585 are affected. A component loading mechanism constructs and runs any specified type without checking that it is a valid component (CWE-470). An attacker with an authenticated user account who can place a file on the host filesystem can run arbitrary constructor code with the privileges of the affected service account.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Grid Protection Alliance | openPDC | before 2.9.477; before 2.9.482 | 2.9.477, 2.9.482 | Patch available | CNA |
| Grid Protection Alliance | openPDC (Docker image) | before 2.9.477; before 2.9.482 | 2.9.477, 2.9.482 | Patch available | CNA |
| Grid Protection Alliance | openHistorian | before 2.8.580; before 2.8.585 | 2.8.580, 2.8.585 | Patch available | CNA |
- openPDC VendorGrid Protection Alliance Affected before 2.9.477; before 2.9.482 Fixed in 2.9.477, 2.9.482 Patch available CNA
- openPDC (Docker image) VendorGrid Protection Alliance Affected before 2.9.477; before 2.9.482 Fixed in 2.9.477, 2.9.482 Patch available CNA
- openHistorian VendorGrid Protection Alliance Affected before 2.8.580; before 2.8.585 Fixed in 2.8.580, 2.8.585 Patch available CNA
Remediation
Upgrade openPDC to 2.9.477 or 2.9.482 and openHistorian to 2.8.580 or 2.8.585. The openPDC Docker image is fixed in the same openPDC versions.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA openPDC (Grid Protection Alliance) Fixed in 2.9.477, 2.9.482
- Fix · CNA openPDC (Docker image) (Grid Protection Alliance) Fixed in 2.9.477, 2.9.482
- Fix · CNA openHistorian (Grid Protection Alliance) Fixed in 2.8.580, 2.8.585
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Grid Protection Alliance openPDC (Docker image) 2.9.477, 2.9.482
6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-70017 Untrusted data deserialization in openPDC and openHistorianPriority MEDIUM 49
- TI-2026-70024 Missing authentication in Grid Protection Alliance openPDC and openHistorianPriority MEDIUM 43
- TI-2026-70054 Hard-coded credentials in openPDC Docker image allow admin accessPriority MEDIUM 42
- Release ·
Grid Protection Alliance openHistorian, openPDC 2.8.580, 2.8.585 and 2 more versions
5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-70017 Untrusted data deserialization in openPDC and openHistorianPriority MEDIUM 49
- TI-2026-70024 Missing authentication in Grid Protection Alliance openPDC and openHistorianPriority MEDIUM 43
- TI-2026-70004 Missing authentication in openPDC and openHistorian data publisherPriority LOW 36
Timeline
- 2026-10-09 Threatist record created from CVE-2026-104629
- 2026-10-09 Alias added: GHSA-68jv-q5j2-rgqm
- 2026-10-10 CISA SSVC decision points changed
- 2026-10-10 Priority changed: MEDIUM → LOW
References
More Grid Protection Alliance vulnerabilities
- TI-2026-70017 Untrusted data deserialization in openPDC and openHistorian CVSS 4.0CRITICAL 9.3
- TI-2026-70024 Missing authentication in Grid Protection Alliance openPDC and openHistorian CVSS 4.0HIGH 8.7
- TI-2026-70054 Hard-coded credentials in openPDC Docker image allow admin access CVSS 4.0CRITICAL 9.3
- TI-2026-70004 Missing authentication in openPDC and openHistorian data publisher CVSS 4.0MEDIUM 6.9
- TI-2026-70018 Server-side request forgery in openPDC and openHistorian CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-104629 · CVE Program
- CVE-2026-104629 · NVD
- FIRST EPSS
- GHSA-68jv-q5j2-rgqm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences