CVE record · CVE-2026-105281

Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function

CVSS 8.7 HighEPSS 0.0031 · 24th percentile

Published by the CVE Program (CNA: icscert) at 9 Oct 2026, 13:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Grid Protection Alliance openPDC
  • affected before 2.9.477 custom
  • affected before 2.9.482 custom
  • unaffected 2.9.482
Other versions: unaffected
Grid Protection Alliance openPDC (Docker image)
  • affected before 2.9.477 custom
  • affected before 2.9.482 custom
Other versions: unaffected
Grid Protection Alliance openHistorian
  • affected before 2.8.580 custom
  • affected before 2.8.585 custom
  • unaffected 2.8.585
Other versions: unaffected
Identifiers
CVE-2026-105281
CNA
icscert
Weakness (CWE)
CWE-306
Published
9 Oct 2026
Updated
11 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CNA (icscert)
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (icscert)Used for this record
  • CISA KEV Not listed.
  • EPSS 0.0031, the 24th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.