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PatchSiren cyber security CVE debrief

CVE-2026-9057 Talend CVE debrief

A broken access control vulnerability in Talend Administration Center allows low-privileged users with only 'View' permission to modify the Talend Studio update URL. This could enable supply chain attacks by redirecting update requests to attacker-controlled infrastructure. The vulnerability carries a HIGH severity CVSS 8.2 score with network attack vector, low privileges required, and high impact to confidentiality and integrity. Qlik has released a patch that is already available.

Vendor
Talend
Product
Talend Administration Center
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-20
Original CVE updated
2026-07-23
Advisory published
2026-05-20
Advisory updated
2026-07-23

Who should care

Organizations running Talend Administration Center with multi-user environments where role separation between view-only and administrative users is required for security governance. Security teams concerned with supply chain integrity and software update mechanism security.

Technical summary

The Talend Administration Center enforces insufficient authorization checks on the Studio update URL configuration endpoint. A user account possessing only 'View' permission—intended for read-only access—can successfully submit modification requests to change the update URL parameter. This architectural flaw violates the principle of least privilege and could facilitate software supply chain attacks if an attacker with compromised low-privilege credentials or insider access redirects update requests to malicious infrastructure. The CVSS 3.1 score of 8.2 reflects high confidentiality and integrity impact with scope change, though attack complexity is rated high. No availability impact is indicated. Qlik has addressed this with an available patch.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the Qlik-provided security patch for Talend Administration Center immediately
  • Audit Talend Studio update URL configurations for unauthorized modifications
  • Review user permission assignments to ensure principle of least privilege
  • Monitor network traffic for unexpected outbound connections to non-standard update servers
  • Verify integrity of deployed Talend Studio installations if compromise is suspected

Evidence notes

CVE description confirms broken access control allowing 'View' permission users to modify update URLs. CVSS 3.1 vector AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N indicates network-accessible, high-complexity attack requiring low privileges with scope change and high confidentiality/integrity impact. Qlik community reference confirms vendor patch availability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-9057 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-9057

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-9057 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-9057

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://community.qlik.com/t5/Official-Support-Articles/Security-fix-for-Qlik-Talend-Administration-Center-URL-access/ta-p/2548524

    4ac701fe-44e9-4bcd-9585-dd6449257611

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.