Quick answers
- Is CVE-2026-39798 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-39798 being exploited in the wild.
- How severe is CVE-2026-39798?
- Medium severity, with a CVSS score of 6.5, published 6 October 2026.
- Which products and versions are affected?
- TrueBooker 1.2.9 and earlier.
- Is there a fix for CVE-2026-39798?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-39798 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-39798?
- Check whether you run TrueBooker 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.
Technical details
An unauthenticated settings modification vulnerability in TrueBooker allows unauthorized access to plugin configuration endpoints. The plugin fails to enforce proper authentication checks on settings-change operations, enabling an attacker to directly modify booking parameters and plugin behavior via network requests without any credentials.
Affected products
- TrueBooker TrueBooker 1.2.9 and earlier
Timeline
- 2026-10-06: disclosed