CVE-2026-26289

highpriority · track · 0OT risk · elevatedEPSS 0.001 · 3 %ileEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.14% (3rd) EPSS
CVSS 8.2 · high
Is it mine?
9 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cisa_csaf_ot

EPSS · scored 2026-10-28

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationPowerSYSTEM Center 2020cisa_csaf_ot

    Configure a notification rule that triggers in any bulk account export activity.

  • MitigationPowerSYSTEM Center 2024cisa_csaf_ot

    Configure a notification rule that triggers in any bulk account export activity.

  • MitigationPowerSYSTEM Center 2026cisa_csaf_ot

    Configure a notification rule that triggers in any bulk account export activity.

02

cvss

Technical severity, 0–10. One row per scoring source.

8.4
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.7–8.4

v3.18.2highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Lsecondary · CISA US
v3.18.2highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:Lsecondary · ics-cert@hq.dhs.gov USexploitability 2.3 · impact 5.3
v4.08.4highCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:H/SA:Hsecondary · ENISA EU
v4.08.4highCVSS: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:Xsecondary · ics-cert@hq.dhs.gov US
v4.05.7mediumCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USCWE-863US
05

affected products (9)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-26-132-02Subnet Solutions PowerSYSTEM Center2026-05-12icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could allow an authenticated attacker to expose sensitive information or cause a CRLF injection.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otNVDCVE.orgMITRE
published 2026-05-12modified 2026-10-26
09

references (6)

External citations — patches, advisories, analysis.

scry

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