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Vulnerabilities ›

CVE-2026-26936

Medium

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).

CWE-1333 — Weakness Type

                    Published: Feb 26, 2026                      ·  Modified: Mar 5, 2026                      ·  Source: NVD                

CVSS v3

4.9

🔗 NVD Official

📄 Description (English)

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).

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 1

https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-14/385250

security@elastic.co

Vendor Advisory

📦 Affected Products / CPE 2 entries

elastic:kibana

elastic:kibana

📊 CVSS Score

4.9

/ 10.0 — Medium

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredH — High

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityN — None / Network

AvailabilityH — High

📋 Quick Facts

Severity Medium

CVSS Score4.9

CWECWE-1333

Exploit No

Patch ✗ No

Published 2026-02-26

Source Feed nvd

Views 1

🏷️ Tags

CWE-1333

🏢 Vendor Advisories

🔗 https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-se...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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