EUVD-2026-93929

Inefficient Regular Expression Complexity CWE-1333 in Elasticsearch can lead to denial of service via Regular Expression Exponential Blowup CAPEC-492. The ES|QL CHUNK function's recursive chunking strategy accepts a list of user-supplied regular expressions used as text-splitting separators,...

CVE-2026-102408

Elasticsearch is vulnerable to a Denial of Service via Inefficient Regular Expression Complexity (CWE-1333) within the ES|QL CHUNK function 's recursive chunking strategy. The root cause is the lack of validation for computational complexity or execution time bounds on user-supplied regular expre...

CVE-2026-102408 Inefficient Regular Expression Complexity in Elasticsearch Leading to Denial of Service

Inefficient Regular Expression Complexity CWE-1333 in Elasticsearch can lead to denial of service via Regular Expression Exponential Blowup CAPEC-492. The ES|QL CHUNK function's recursive chunking strategy accepts a list of user-supplied regular expressions used as text-splitting separators,...