Medium
Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
The STTP-based data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and exchange data with it.
Announced Group revision 1
Original source ↗CVE-2026-85479
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-85479
openPDC
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
openPDC (Docker image)
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
openHistorian
Source reference: /containers/cna/affected/2/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Grid Protection Alliance",
"product": "openPDC",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.9.477",
"versionType": "custom"
},
{
"status": "affected",
"version": "0",
"lessThan": "2.9.482",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2.9.482"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Grid Protection Alliance",
"product": "openPDC (Docker image)",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.9.477",
"versionType": "custom"
},
{
"status": "affected",
"version": "0",
"lessThan": "2.9.482",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "Grid Protection Alliance",
"product": "openHistorian",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "2.8.580",
"versionType": "custom"
},
{
"status": "affected",
"version": "0",
"lessThan": "2.8.585",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2.8.585"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-85479
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #17023 · Revision 1
- Added to Heist Feed
- Publisher date