CVE-2026-39735: Crocoblock JetEngine broken access control

CVE-2026-39735 · Severity: medium · CVSS 6.5 · Published 2026-10-29

JetEngine is a WordPress plugin that enables website builders to create dynamic content and pages without coding. A broken access control vulnerability allows unauthorized users with contributor-level access to view or manipulate content they should not have permission to access, potentially exposing sensitive data or enabling unauthorized modifications.

Technologies: Crocoblock JetEngine. Vendors: Crocoblock.

Quick answers

Is CVE-2026-39735 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-39735 being exploited in the wild.
How severe is CVE-2026-39735?
Medium severity, with a CVSS score of 6.5, published 29 October 2026.
Which products and versions are affected?
Crocoblock JetEngine through 3.9.0.1.
Is there a fix for CVE-2026-39735?
Yes: fixed in 3.9.0.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-39735 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-39735?
Check whether you run Crocoblock JetEngine at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 3.9.0.2

Technical details

The vulnerability is a broken access control issue in JetEngine affecting versions up to 3.9.0.1, allowing users with contributor or developer privileges to bypass authorization checks and access resources they are not entitled to. The flaw requires authenticated access (contributor privilege level minimum). The issue is fixed in version 3.9.0.2.

Affected products

  • Crocoblock JetEngine through 3.9.0.1

Timeline

  • 2026-10-29: disclosed
  • 2026-10-29: advisory

References

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