# Grid Protection Alliance openHistorian vulnerabilities

Source: https://junglewise.ai/threats/technologies/openhistorian  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/openhistorian.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Grid Protection Alliance openHistorian: 0 in the last 7 days and 5 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-85479, was published on 9 October 2026. Nothing in the last four weeks, down from 5 vulnerabilities in the four before. 0 critical against 1.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 5
- All time: 5 (1 critical, 0 exploited in the wild)

## About Grid Protection Alliance openHistorian

Open-source time-series data storage and retrieval system for electrical grid monitoring.

## Latest Grid Protection Alliance openHistorian vulnerabilities

- [CVE-2026-85479: openPDC STTP data publisher missing authentication](https://junglewise.ai/threats/cve-2026-85479-the-sttp-based-data-publisher-on-openpdc-accepts-network) (medium, CVSS 5.3, published 9 Oct 2026)
- [CVE-2026-105281: Grid Protection Alliance openPDC data publisher missing authentication](https://junglewise.ai/threats/cve-2026-105281-the-internal-data-publisher-on-openpdc-accepts-network) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-104629: Grid Protection Alliance openPDC and openHistorian deserialization and authentication vulnerabilities](https://junglewise.ai/threats/cve-2026-104629-grid-protection-alliance-openpdc-and-openhistorian) (high, CVSS 8.8, published 9 Oct 2026)
- [CVE-2026-101022: Grid Protection Alliance openPDC Modbus SSRF network reconnaissance](https://junglewise.ai/threats/cve-2026-101022-a-modbus-connection-feature-on-openpdc-accepts-a-caller) (medium, CVSS 4.3, published 9 Oct 2026)
- [CVE-2026-100730: Grid Protection Alliance openPDC and openHistorian unsafe deserialization](https://junglewise.ai/threats/cve-2026-100730-a-service-console-interface-on-openpdc-and-openhistorian) (critical, CVSS 9.8, published 9 Oct 2026)

## Most severe Grid Protection Alliance openHistorian vulnerabilities

- [CVE-2026-100730: Grid Protection Alliance openPDC and openHistorian unsafe deserialization](https://junglewise.ai/threats/cve-2026-100730-a-service-console-interface-on-openpdc-and-openhistorian) (critical, CVSS 9.8, published 9 Oct 2026)
- [CVE-2026-104629: Grid Protection Alliance openPDC and openHistorian deserialization and authentication vulnerabilities](https://junglewise.ai/threats/cve-2026-104629-grid-protection-alliance-openpdc-and-openhistorian) (high, CVSS 8.8, published 9 Oct 2026)
- [CVE-2026-105281: Grid Protection Alliance openPDC data publisher missing authentication](https://junglewise.ai/threats/cve-2026-105281-the-internal-data-publisher-on-openpdc-accepts-network) (high, CVSS 7.5, published 9 Oct 2026)
- [CVE-2026-85479: openPDC STTP data publisher missing authentication](https://junglewise.ai/threats/cve-2026-85479-the-sttp-based-data-publisher-on-openpdc-accepts-network) (medium, CVSS 5.3, published 9 Oct 2026)
- [CVE-2026-101022: Grid Protection Alliance openPDC Modbus SSRF network reconnaissance](https://junglewise.ai/threats/cve-2026-101022-a-modbus-connection-feature-on-openpdc-accepts-a-caller) (medium, CVSS 4.3, published 9 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 5 vulnerabilities in the four before. 0 critical against 1.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 5 | 1 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Grid Protection Alliance technologies

- [Grid Protection Alliance openPDC](https://junglewise.ai/threats/technologies/openpdc): 5 vulnerabilities
- [Grid Protection Alliance openPDC (Docker image)](https://junglewise.ai/threats/technologies/openpdc-docker-image): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Grid Protection Alliance openHistorian vulnerabilities", https://junglewise.ai/threats/technologies/openhistorian, 9 November 2026.