Back to CVE records
Medium 5.3Published Oct 9, 2026
CVE-2026-85479Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
Updated under an hour ago ()
Does this affect you?
It affects Grid Protection Alliance openPDC and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-306
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- icscert
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Grid Protection Alliance openPDC grid_protection_alliance:openpdc (from the name) | before 2.9.477; before 2.9.482; 2.9.482 not affected | CNA record |
Grid Protection Alliance openPDC (Docker image) grid_protection_alliance:openpdc_docker_image (from the name) | before 2.9.477; before 2.9.482 | CNA record |
Grid Protection Alliance openHistorian grid_protection_alliance:openhistorian (from the name) | before 2.8.580; before 2.8.585; 2.8.585 not affected | CNA record |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.