BIT-ELASTICSEARCH-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,...

Elasticsearch 8.19.x < 8.19.22 / 9.1.x / 9.3.8 / 9.4.x < 9.4.8 / 9.5.x < 9.5.5 DoS (ESA-2026-189)

The version of Elasticsearch installed on the remote host is prior to 8.19.22, 9.4.8, or 9.5.5. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-189 advisory. - Inefficient Regular Expression Complexity CWE-1333 in Elasticsearch can lead to denial of service via Regular...

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

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-2026-26936

Inefficient Regular Expression Complexity CWE-1333 in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regular Expression Exponential Blowup CAPEC-492...

CVE-2026-26936: Inefficient Regular Expression Complexity

Inefficient Regular Expression Complexity CWE-1333 in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regular Expression Exponential Blowup CAPEC-492...

CVE-2025-11175: Improper Neutralization of Special Elements used in an Expression Language Statement

Improper Neutralization of Special Elements used in an Expression Language Statement 'Expression Language Injection' vulnerability in The Wikimedia Foundation Mediawiki - DiscussionTools Extension allows Regular Expression Exponential Blowup.This issue affects Mediawiki - DiscussionTools Extensio...

CVE-2026-0668: Inefficient Regular Expression Complexity

Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45...