Quick answers
- Is CVE-2026-93684 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-93684 being exploited in the wild.
- How severe is CVE-2026-93684?
- Informational severity, published 7 October 2026.
- Which products and versions are affected?
- Apache Impala up to and including 4.5.2.
- Is there a fix for CVE-2026-93684?
- Yes: fixed in 4.5.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-93684 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-93684?
- Check whether you run Apache Impala 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: 4.5.3
Technical details
A stored cross-site scripting (XSS) vulnerability exists in Impala's Web UI query plan display. An attacker with SELECT permissions can inject JavaScript code into table alias names, which is then executed in the browser context of any user who views the affected query plan. This is a stored XSS (CWE-79) requiring only SELECT permissions and user interaction to view the query plan.
Affected products
- Apache Impala up to and including 4.5.2
Timeline
- 2026-10-07: advisory