CVE-2026-105281

Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function

State
Published
Severity
8.7 High
Published
Oct 9, 2026
Updated
Oct 11, 2026
Reserved
Oct 5, 2026

Read the record on cve.org

Description

The internal data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and retrieve the complete device and measurement topology of the system.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:Nicscert
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nicscert

Weaknesses

Affected Products

ProductVersions
openPDCGrid Protection Alliance
  • before 2.9.477Affected
  • before 2.9.482Affected
  • 2.9.482Not affected
openPDC (Docker image)Grid Protection Alliance
  • before 2.9.477Affected
  • before 2.9.482Affected
openHistorianGrid Protection Alliance
  • before 2.8.580Affected
  • before 2.8.585Affected
  • 2.8.585Not affected

References

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