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Vulnerability Details :

CVE-2026-26289

Summary
Assigner-icscert
Assigner Org ID-7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At-12 May, 2026 | 21:02
Updated At-13 May, 2026 | 00:19
Rejected At-
Credits

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

PowerSYSTEM Center REST API endpoint for device account export allows an authenticated user with limited permissions to expose sensitive information normally restricted to administrative permissions only.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:icscert
Assigner Org ID:7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At:12 May, 2026 | 21:02
Updated At:13 May, 2026 | 00:19
Rejected At:
▼CVE Numbering Authority (CNA)
Subnet Solutions PowerSYSTEM Center Incorrect Authorization

PowerSYSTEM Center REST API endpoint for device account export allows an authenticated user with limited permissions to expose sensitive information normally restricted to administrative permissions only.

Affected Products
Vendor
Subnet Solutions
Product
PowerSYSTEM Center 2020
Default Status
unaffected
Versions
Affected
  • From 5.8.x through 5.28.x (custom)
Vendor
Subnet Solutions
Product
PowerSYSTEM Center 2024
Default Status
unaffected
Versions
Affected
  • From 6.0.x through 6.1.x (custom)
Vendor
Subnet Solutions
Product
PowerSYSTEM Center 2026
Default Status
unaffected
Versions
Affected
  • 7.0.x
Problem Types
TypeCWE IDDescription
CWECWE-863CWE-863 Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: CWE-863 Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
4.08.4HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:H/SA:H
3.18.2HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Version: 4.0
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:H/SA:H
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Subnet Solutions recommends users update to the latest version of PowerSYSTEM Center PSC 2020 Update 29, PSC 2024 Update 2, and PSC 2026 GA Hotfix. For assistance in upgrading, users should contact a Subnet Solutions System Integration team member or customer support team at (403) 270-8885 or by email at [support@subnet.com](mailto:support@subnet.com). Subnet Solutions recommends users do the following in order to reduce risk: * Monitor user activity records to ensure users are following acceptable usage policies of the application. * Restrict access to Notification Settings to trusted Administrators Monitor "Send from Address" in settings and Activity Records. * Configure a notification rule that triggers in any bulk account export activity.

Configurations
Workarounds
Exploits
Credits
finder
Kelly Stich of Subnet Solutions Inc. reported these vulnerabilities to CISA.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02
N/A
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json
N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02
Resource: N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ics-cert@hq.dhs.gov
Published At:12 May, 2026 | 22:16
Updated At:12 May, 2026 | 22:16

PowerSYSTEM Center REST API endpoint for device account export allows an authenticated user with limited permissions to expose sensitive information normally restricted to administrative permissions only.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.4HIGH
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.18.2HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Type: Secondary
Version: 4.0
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-863Primaryics-cert@hq.dhs.gov
CWE ID: CWE-863
Type: Primary
Source: ics-cert@hq.dhs.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.jsonics-cert@hq.dhs.gov
N/A
https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02ics-cert@hq.dhs.gov
N/A
Hyperlink: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json
Source: ics-cert@hq.dhs.gov
Resource: N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02
Source: ics-cert@hq.dhs.gov
Resource: N/A

Change History

0
Information is not available yet

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Action-Not Available
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CWE ID-CWE-863
Incorrect Authorization
Details not found