What is CVE-2026-93684?

CVE-2026-93684 is a medium-severity vulnerability in Apache Software Foundation Impala, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-10-07.

How severe is CVE-2026-93684?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Apache Software Foundation Impala

CVE-2026-93684

An SQL user using Impala up to and including version 4.5.2 with only SELECT permission can put JavaScript in a table alias and make it run in another user's browser when that user opens the query plan in Impala's Web UI. This is stored XSS (CWE-79). Users are recommended to upgrade to version 4.5.3.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-07 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Apache Software Foundation Impala

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

lists.apache.org/thread.html/qxjj5n3vsttxbvq2n75xcy2qcrhtxowx (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-93684?: CVE-2026-93684 is a medium-severity vulnerability in Apache Software Foundation Impala, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-10-07.
How severe is CVE-2026-93684?: Medium severity. CVSS v3 base score is 5.4 out of 10.