CVE-2026-26934

MEDIUM EPSS 19.2%
Published Feb 26, 20264mo ago · Modified Mar 2, 20264mo ago
6.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2026 4mo ago
Last Modified Mar 2, 2026 4mo ago

Description

Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
19.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1284

Affected Products 3

VendorProductVersionRange
elastickibana*≥8.18.0  –  <8.19.12
elastickibana*≥9.0.0  –  <9.2.6
elastickibana9.3.0any

References 1

  • discuss.elastic.co https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-12/385248
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.