CVE-2026-26936

MEDIUM
2026-02-26 [email protected]
4.9
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 26, 2026 - 18:23 nvd
MEDIUM 4.9

Tags

Denial Of Service AI / ML Kibana

Description

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).

Analysis

Kibana's AI Inference Anonymization Engine contains a ReDoS (Regular Expression Denial of Service) vulnerability that allows authenticated high-privilege users to crash the service through maliciously crafted input. An attacker with administrative credentials can trigger exponential regex backtracking to render the system unavailable, though no patch is currently available.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +24
POC: 0

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CVE-2026-26936 vulnerability details – vuln.today
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