Quick answers
- Is CVE-2026-108762 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-108762 being exploited in the wild.
- How severe is CVE-2026-108762?
- Informational severity, published 19 October 2026.
- Which products and versions are affected?
- Apache Kylin 4.0.0 through 5.0.4.
- Is there a fix for CVE-2026-108762?
- Yes: fixed in 5.0.5. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-108762 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-108762?
- Check whether you run Apache Kylin 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: 5.0.5
Technical details
A path-confinement bypass exists in Apache Kylin's metadata backup deletion process, allowing directory traversal attacks. The vulnerability affects versions 4.0.0 through 5.0.4 and requires network access to an exposed Kylin service. An attacker can exploit this to read or delete files outside the backup directory.
Affected products
- Apache Kylin 4.0.0 through 5.0.4
Timeline
- 2026-10-19: disclosed