CVE-2026-105281CWE-306

CVE-2026-105281

High · published October 9, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
22.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
8.7 · 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
EPSS
0.00312 · 22.9th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-10-09T18:17Z
References (2)
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json · [email protected]https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02 · [email protected]
EPSS history
Timeline
  • 11 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 09 OCT 13:49Z
    Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
    cvelistv5
  • 09 OCT 13:49Z
    Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
    cvelistv5