Vulnerability-Lookup

GHSA-CJ84-4HC2-FRH6

Vulnerability from github – Published: 2026-05-13 00:48 – Updated: 2026-05-13 00:48

Details

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.

Severity ?

8.2 (High)


                  
                    CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

8.4 (High)


                  
                    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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-26289"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-12T22:16:32Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-cj84-4hc2-frh6",
  "modified": "2026-05-13T00:48:11Z",
  "published": "2026-05-13T00:48:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26289"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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": "CVSS_V4"
    }
  ]
}

CVE-2026-26289 (GCVE-0-2026-26289)

Vulnerability from cvelistv5 – Published: 2026-05-12 21:02 – Updated: 2026-05-13 00:19

Title

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

Summary

Severity ?

8.4 (High)


                        
                          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

8.2 (High)


                        
                          CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

CWE

CWE-863 - Incorrect Authorization

Assigner

icscert

References

2 references

URL	Tags
https://www.cisa.gov/news-events/ics-advisories/i…
https://github.com/cisagov/CSAF/blob/develop/csaf…

Impacted products

3 products

Vendor	Product	Version
Subnet Solutions	PowerSYSTEM Center 2020	Affected: 5.8.x , ≤ 5.28.x (custom)
Subnet Solutions	PowerSYSTEM Center 2024	Affected: 6.0.x , ≤ 6.1.x (custom)
Subnet Solutions	PowerSYSTEM Center 2026	Affected: 7.0.x

Date Public ?

2026-05-13 05:00

Credits

Kelly Stich of Subnet Solutions Inc. reported these vulnerabilities to CISA.

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-26289",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-13T00:19:06.419342Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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              "version": "6.0.x",
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        },
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              "version": "7.0.x"
            }
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      ],
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      "metrics": [
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            "version": "4.0",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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      ],
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              "type": "text/html",
              "value": "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.\n\u003cbr\u003e\n\u003cbr\u003eFor 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).\n\u003cbr\u003e\n\u003cbr\u003eSubnet Solutions recommends users do the following in order to reduce risk:\n\u003cbr\u003e* Monitor user activity records to ensure users are following acceptable usage policies of the application.\n\u003cbr\u003e* Restrict access to Notification Settings to trusted Administrators Monitor \"Send from Address\" in settings and Activity Records.\n\u003cbr\u003e* Configure a notification rule that triggers in any bulk account export activity."
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        }
      ],
      "source": {
        "advisory": "ICSA-26-132-02",
        "discovery": "INTERNAL"
      },
      "title": "Subnet Solutions PowerSYSTEM Center Incorrect Authorization",
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    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
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    "dateReserved": "2026-04-16T14:05:42.127Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-CJ84-4HC2-FRH6

CVE-2026-26289 (GCVE-0-2026-26289)

Tags

Sightings

Nomenclature