Sulu: Fix authorization bypass when creating preview links — GHSA-65CV-W493-7VHQ

Summary

### Impact A missing authorization check on the preview link endpoint lets a backend user create a public, unauthenticated preview URL for content they are not allowed to see. `PreviewLinkController` (and the underlying `PreviewLinkManager::generate()` / `revoke()`) never enforced a permission on the target resource. Any authenticated administration user could call the generate action for any page, article or…

Timeline

Published by source

2026-09-02

Risk context

• Reported severity or threat level: medium.
• Reported CVSS score: 5.3 out of 10.
• Reported EPSS value: 0.00321.
• Review exposure for the affected product or family: composer: sulu/sulu.

Product

composer: sulu/sulu

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-65CV-W493-7VHQ

Source

GitHub

Vendor

GitHub

Published by source

2026-09-02

Last source activity

2026-09-02

Additional identifiers

CVE-2026-82394

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.