CVE-2026-105281
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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 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.
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