CVE-2026-9056Network attack vector

Stored script execution via server-management input

Published May 20, 2026 · Updated May 20, 2026

Stored XSS in Qlik Talend Administration Center 8.0 allows remote authenticated users to run script in another user's browser. Qlik has not published which server-management field stores the payload or which output path renders it without neutralization. Server-management permission is required, and exploitation exposes the viewing user's browser context to script-controlled data access or changes.

CVSS severity5.4
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Qlik Talend Administration Center 8.0 allows remote authenticated users to run script in another user's browser. Qlik has not published which server-management field stores the payload or which output path renders it without neutralization. Server-management permission is required, and exploitation exposes the viewing user's browser context to script-controlled data access or changes.

The record

CVE
CVE-2026-9056
Published
May 20, 2026
Updated
May 20, 2026
Vendor
Qlik
Product
Talend Administration Center
Classifications
CWE-94, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 20, 2026CVE publishedPublication date reported by the CVE source.
  2. May 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.0 <Patch_20260123_QTAC-1883 (cumulative patch)_R2026-01_v1-8.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Qlik · Talend Administration Centerversion=8.0 <Patch_20260123_QTAC-1883 (cumulative patch)_R2026-01_v1-8.0.1

Published CVSS scores

5.4BugcrowdCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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