Medium severity · published Oct 7, 2026
CVE-2026-93684
Apache Impala: Stored XSS in Impala query plans
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Apache Impala · Apache Software Foundation
2.7.0 through 4.5.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93684
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93684
vendor-advisory
https://lists.apache.org/thread.html/qxjj5n3vsttxbvq2n75xcy2qcrhtxowx
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