Inefficient regular expression complexity in Apache Superset - CVE-2026-23985
Published: August 24, 2026
Vulnerability identifier: #VU144800
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-23985
CWE-ID: CWE-1333
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to improper input validation in the sql_parse.py SQL parser integration when processing SQL queries. A remote user can send a maliciously crafted input string to cause a denial of service.
The issue is triggered by a crafted long sequence of backslashes or similar characters in SQL query input.
Affected software
Apache Superset
How to mitigate CVE-2026-23985
Install security update from vendor's website.
Apache Superset - update to 6.0.0