CVE-2026-85479
Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 2.9.477, 2.9.482, 2.8.580, 2.8.585
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Grid Protection Alliance openPDC
fixed in 2.9.477; fixed in 2.9.482
- Grid Protection Alliance openPDC (Docker image)
fixed in 2.9.477; fixed in 2.9.482
- Grid Protection Alliance openHistorian
fixed in 2.8.580; fixed in 2.8.585