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TI-2026-27663 Aliases CVE-2026-35555GHSA-m3ph-wv95-837r

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

Priority LOW 30CWE-863Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

PowerSYSTEM Center feature for device project groups allows an authenticated user with limited permissions to perform an unauthorized deletion of project groups.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00154 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Subnet SolutionsPowerSYSTEM Center 20246.0.x – 6.1.x—No fix listedCNA
Subnet SolutionsPowerSYSTEM Center 20267.0.x—No fix listedCNA
  • PowerSYSTEM Center 2024 VendorSubnet Solutions Affected 6.0.x – 6.1.x Fixed in — No fix listed CNA
  • PowerSYSTEM Center 2026 VendorSubnet Solutions Affected 7.0.x Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-35555
  2. 2026-10-03 Alias added: GHSA-m3ph-wv95-837r

References

  • TI-2014-01872 SUBNET SubSTATION Server 2 Telegyr 8979 Master Protocol Improper Input Validation CVSS 2.0HIGH 8.3
  • TI-2026-85714 SQL injection in Subnet Solutions PowerSYSTEM Center report designer CVSS 4.0CRITICAL 9.4
  • TI-2026-85713 Incorrect authorization in Subnet Solutions PowerSYSTEM Center CVSS 4.0CRITICAL 9.4
  • TI-2023-13589 SUBNET PowerSYSTEM Center Authentication Bypass by Capture-replay CVSS 3.1CRITICAL 9.1
  • TI-2024-18636 SUBNET PowerSYSTEM Center Reliance on Insufficiently Trustworthy Component CVSS 4.0HIGH 8.6
  • TI-2024-17121 SUBNET Substation Server Reliance on Insufficiently Trustworthy Component CVSS 4.0HIGH 8.6
See all 15 →

Sources